Introduction to manufacturing operations, Sanitation, Cross-contamination, Packaging, IPQC, time limitation, Expiration,Calculation of Yield, Production record review, process deviation
Manufacturing Control Systems. J R Controls provides control systems for the manufacturing industry. A typical control system will monitor the progress of parts through the manufacturing and finishing process.
What is IPQC & IPQC Test
Appearance
Drug content determination
pH
Sensitivity test
Spreadability
Rate of absorption
Extrudability
Consistency Test
Rheology & Viscosity
University Institute of Pharmaceutical Sciences is a flag bearer of excellence in Pharmaceutical education and research in the country. Here is another initiative to make study material available to everyone worldwide. Based on the new PCI guidelines and syllabus here we have a presentation dealing with qualifications of HPLC which is the " High Performance Liquid Chromatography".
Thank you for reading.
Hope it was of help to you.
UIPS,PU team
Manufacturing Control Systems. J R Controls provides control systems for the manufacturing industry. A typical control system will monitor the progress of parts through the manufacturing and finishing process.
What is IPQC & IPQC Test
Appearance
Drug content determination
pH
Sensitivity test
Spreadability
Rate of absorption
Extrudability
Consistency Test
Rheology & Viscosity
University Institute of Pharmaceutical Sciences is a flag bearer of excellence in Pharmaceutical education and research in the country. Here is another initiative to make study material available to everyone worldwide. Based on the new PCI guidelines and syllabus here we have a presentation dealing with qualifications of HPLC which is the " High Performance Liquid Chromatography".
Thank you for reading.
Hope it was of help to you.
UIPS,PU team
QUALIFICATION OF MANUFACTURING EQUIPMENTSANKUSH JADHAV
it gives the information about qualification of various manufacturing equipment which is used into the pharmaceutical labs. (only for information purpose)
ANALYSIS OF RAW MATERIALS, FINISHED PRODUCTS, PACKAGING MATERIALS, IPQC, CPCS...Khadeeja6
RAW MATERIALS
It is basically the chemical ingredients of a process. starting material, in production of final product.
FINISHED PRODUCTS
Marketable product, transportable pack, salable pack
PACKAGING MATERIAL
Providing presentation, protection, identification, information, containment, convenience compliance, integrity and stability for a product during storage, transportation display and until it is consumed or throughout its shelf life.
IPQC
Providing accurate, specific and definite description of the procedures to be employed from the receipt of raw materials to the release of the finished dosage form.
CPCSEA GUIDELINES
Role of CPCSEA is to monitor animal experiments through ethics committees set up in institutions (IAEC)
CPCSEA Nominee -important link between CPCSEA and IAEC
IAEC scrutinize all project proposals for experimentation on animals.
The validity of IAEC is for 3 years.
It is process of “Establishing documentary evidence that provide a high degree of assurance that a specific process will consistently produce a product meeting its predetermined specifications and quality attributes”.
In the pharmaceutical industry, it is very important that in addition to final testing and compliance of products, it is also assured that the process will consistently produce the expected results.
Validation is action of proving in accordance with the principles of good manufacturing practices, that any procedure, process, equipment, material, activity or system actually leads to expected results.
Cleaning validation is documented evidence with a high degree assurance that one can consistently clean a system or a piece of equipment to predetermined and acceptable limits.
The primary regulatory concern driving the need for cleaning validation is cross contamination of the desired drug substance either by other API from previous batch runs or by residues from the cleaning agents used.
The prime purpose of validating a cleaning process is to ensure compliance with federal and other standard regulations
1. Cross contamination with active ingredients
Contamination of one batch of product with significant levels of residual active ingredients from previous batch cannot be tolerated.
In addition to the obvious problems posed by subjecting consumers or patients to unintended contaminants, potential clinically significant synergistic interactions between pharmacologically active chemicals are a real concern.
2. Contamination with unintended materials or compounds
While inert ingredients used in drug products are generally recognized as safe for human consumption, the routine use, maintenance and cleaning of equipment's provide the potential contamination with such items as equipment parts, lubricants and chemical cleaning agents3. Microbiological contamination
Maintenance , cleaning and storage conditions may provide adventitious microorganisms with the opportunity to proliferate within the processing equipment.
In this slide contains Introduction, levels of cleaning, mechanism, sampling method of cleaning validation.
Presented by: P. VENKATESH (Department of pharmaceutical analysis).RIPER, anantapur
Quality control measures in pharmaceutical industryChemOnTheGo
QUALITY CONTROL
ROLE OF QUALITY CONTROL IN PHARMACEUTICAL INDUSTRY
OBJECTIVES OF QUALITY CONTROL
STEPS IN QUALITY CONTROL
COST OF QUALITY CONTROL
TOTAL QUALITY MANAGEMENT
QUALITY CIRCLE
QUALIFICATION OF MANUFACTURING EQUIPMENTSANKUSH JADHAV
it gives the information about qualification of various manufacturing equipment which is used into the pharmaceutical labs. (only for information purpose)
ANALYSIS OF RAW MATERIALS, FINISHED PRODUCTS, PACKAGING MATERIALS, IPQC, CPCS...Khadeeja6
RAW MATERIALS
It is basically the chemical ingredients of a process. starting material, in production of final product.
FINISHED PRODUCTS
Marketable product, transportable pack, salable pack
PACKAGING MATERIAL
Providing presentation, protection, identification, information, containment, convenience compliance, integrity and stability for a product during storage, transportation display and until it is consumed or throughout its shelf life.
IPQC
Providing accurate, specific and definite description of the procedures to be employed from the receipt of raw materials to the release of the finished dosage form.
CPCSEA GUIDELINES
Role of CPCSEA is to monitor animal experiments through ethics committees set up in institutions (IAEC)
CPCSEA Nominee -important link between CPCSEA and IAEC
IAEC scrutinize all project proposals for experimentation on animals.
The validity of IAEC is for 3 years.
It is process of “Establishing documentary evidence that provide a high degree of assurance that a specific process will consistently produce a product meeting its predetermined specifications and quality attributes”.
In the pharmaceutical industry, it is very important that in addition to final testing and compliance of products, it is also assured that the process will consistently produce the expected results.
Validation is action of proving in accordance with the principles of good manufacturing practices, that any procedure, process, equipment, material, activity or system actually leads to expected results.
Cleaning validation is documented evidence with a high degree assurance that one can consistently clean a system or a piece of equipment to predetermined and acceptable limits.
The primary regulatory concern driving the need for cleaning validation is cross contamination of the desired drug substance either by other API from previous batch runs or by residues from the cleaning agents used.
The prime purpose of validating a cleaning process is to ensure compliance with federal and other standard regulations
1. Cross contamination with active ingredients
Contamination of one batch of product with significant levels of residual active ingredients from previous batch cannot be tolerated.
In addition to the obvious problems posed by subjecting consumers or patients to unintended contaminants, potential clinically significant synergistic interactions between pharmacologically active chemicals are a real concern.
2. Contamination with unintended materials or compounds
While inert ingredients used in drug products are generally recognized as safe for human consumption, the routine use, maintenance and cleaning of equipment's provide the potential contamination with such items as equipment parts, lubricants and chemical cleaning agents3. Microbiological contamination
Maintenance , cleaning and storage conditions may provide adventitious microorganisms with the opportunity to proliferate within the processing equipment.
In this slide contains Introduction, levels of cleaning, mechanism, sampling method of cleaning validation.
Presented by: P. VENKATESH (Department of pharmaceutical analysis).RIPER, anantapur
Quality control measures in pharmaceutical industryChemOnTheGo
QUALITY CONTROL
ROLE OF QUALITY CONTROL IN PHARMACEUTICAL INDUSTRY
OBJECTIVES OF QUALITY CONTROL
STEPS IN QUALITY CONTROL
COST OF QUALITY CONTROL
TOTAL QUALITY MANAGEMENT
QUALITY CIRCLE
Objective and policies of CGMP and Inventory control . This topic is from M.PHARM 1 st year syllabus from modern pharmaceutics
Objective and policies of CGMP
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Navigating Challenges: Mental Health, Legislation, and the Prison System in B...Guillermo Rivera
This conference will delve into the intricate intersections between mental health, legal frameworks, and the prison system in Bolivia. It aims to provide a comprehensive overview of the current challenges faced by mental health professionals working within the legislative and correctional landscapes. Topics of discussion will include the prevalence and impact of mental health issues among the incarcerated population, the effectiveness of existing mental health policies and legislation, and potential reforms to enhance the mental health support system within prisons.
CRISPR-Cas9, a revolutionary gene-editing tool, holds immense potential to reshape medicine, agriculture, and our understanding of life. But like any powerful tool, it comes with ethical considerations.
Unveiling CRISPR: This naturally occurring bacterial defense system (crRNA & Cas9 protein) fights viruses. Scientists repurposed it for precise gene editing (correction, deletion, insertion) by targeting specific DNA sequences.
The Promise: CRISPR offers exciting possibilities:
Gene Therapy: Correcting genetic diseases like cystic fibrosis.
Agriculture: Engineering crops resistant to pests and harsh environments.
Research: Studying gene function to unlock new knowledge.
The Peril: Ethical concerns demand attention:
Off-target Effects: Unintended DNA edits can have unforeseen consequences.
Eugenics: Misusing CRISPR for designer babies raises social and ethical questions.
Equity: High costs could limit access to this potentially life-saving technology.
The Path Forward: Responsible development is crucial:
International Collaboration: Clear guidelines are needed for research and human trials.
Public Education: Open discussions ensure informed decisions about CRISPR.
Prioritize Safety and Ethics: Safety and ethical principles must be paramount.
CRISPR offers a powerful tool for a better future, but responsible development and addressing ethical concerns are essential. By prioritizing safety, fostering open dialogue, and ensuring equitable access, we can harness CRISPR's power for the benefit of all. (2998 characters)
The dimensions of healthcare quality refer to various attributes or aspects that define the standard of healthcare services. These dimensions are used to evaluate, measure, and improve the quality of care provided to patients. A comprehensive understanding of these dimensions ensures that healthcare systems can address various aspects of patient care effectively and holistically. Dimensions of Healthcare Quality and Performance of care include the following; Appropriateness, Availability, Competence, Continuity, Effectiveness, Efficiency, Efficacy, Prevention, Respect and Care, Safety as well as Timeliness.
R3 Stem Cells and Kidney Repair A New Horizon in Nephrology.pptxR3 Stem Cell
R3 Stem Cells and Kidney Repair: A New Horizon in Nephrology" explores groundbreaking advancements in the use of R3 stem cells for kidney disease treatment. This insightful piece delves into the potential of these cells to regenerate damaged kidney tissue, offering new hope for patients and reshaping the future of nephrology.
Global launch of the Healthy Ageing and Prevention Index 2nd wave – alongside...ILC- UK
The Healthy Ageing and Prevention Index is an online tool created by ILC that ranks countries on six metrics including, life span, health span, work span, income, environmental performance, and happiness. The Index helps us understand how well countries have adapted to longevity and inform decision makers on what must be done to maximise the economic benefits that comes with living well for longer.
Alongside the 77th World Health Assembly in Geneva on 28 May 2024, we launched the second version of our Index, allowing us to track progress and give new insights into what needs to be done to keep populations healthier for longer.
The speakers included:
Professor Orazio Schillaci, Minister of Health, Italy
Dr Hans Groth, Chairman of the Board, World Demographic & Ageing Forum
Professor Ilona Kickbusch, Founder and Chair, Global Health Centre, Geneva Graduate Institute and co-chair, World Health Summit Council
Dr Natasha Azzopardi Muscat, Director, Country Health Policies and Systems Division, World Health Organisation EURO
Dr Marta Lomazzi, Executive Manager, World Federation of Public Health Associations
Dr Shyam Bishen, Head, Centre for Health and Healthcare and Member of the Executive Committee, World Economic Forum
Dr Karin Tegmark Wisell, Director General, Public Health Agency of Sweden
Antibiotic Stewardship by Anushri Srivastava.pptxAnushriSrivastav
Stewardship is the act of taking good care of something.
Antimicrobial stewardship is a coordinated program that promotes the appropriate use of antimicrobials (including antibiotics), improves patient outcomes, reduces microbial resistance, and decreases the spread of infections caused by multidrug-resistant organisms.
WHO launched the Global Antimicrobial Resistance and Use Surveillance System (GLASS) in 2015 to fill knowledge gaps and inform strategies at all levels.
ACCORDING TO apic.org,
Antimicrobial stewardship is a coordinated program that promotes the appropriate use of antimicrobials (including antibiotics), improves patient outcomes, reduces microbial resistance, and decreases the spread of infections caused by multidrug-resistant organisms.
ACCORDING TO pewtrusts.org,
Antibiotic stewardship refers to efforts in doctors’ offices, hospitals, long term care facilities, and other health care settings to ensure that antibiotics are used only when necessary and appropriate
According to WHO,
Antimicrobial stewardship is a systematic approach to educate and support health care professionals to follow evidence-based guidelines for prescribing and administering antimicrobials
In 1996, John McGowan and Dale Gerding first applied the term antimicrobial stewardship, where they suggested a causal association between antimicrobial agent use and resistance. They also focused on the urgency of large-scale controlled trials of antimicrobial-use regulation employing sophisticated epidemiologic methods, molecular typing, and precise resistance mechanism analysis.
Antimicrobial Stewardship(AMS) refers to the optimal selection, dosing, and duration of antimicrobial treatment resulting in the best clinical outcome with minimal side effects to the patients and minimal impact on subsequent resistance.
According to the 2019 report, in the US, more than 2.8 million antibiotic-resistant infections occur each year, and more than 35000 people die. In addition to this, it also mentioned that 223,900 cases of Clostridoides difficile occurred in 2017, of which 12800 people died. The report did not include viruses or parasites
VISION
Being proactive
Supporting optimal animal and human health
Exploring ways to reduce overall use of antimicrobials
Using the drugs that prevent and treat disease by killing microscopic organisms in a responsible way
GOAL
to prevent the generation and spread of antimicrobial resistance (AMR). Doing so will preserve the effectiveness of these drugs in animals and humans for years to come.
being to preserve human and animal health and the effectiveness of antimicrobial medications.
to implement a multidisciplinary approach in assembling a stewardship team to include an infectious disease physician, a clinical pharmacist with infectious diseases training, infection preventionist, and a close collaboration with the staff in the clinical microbiology laboratory
to prevent antimicrobial overuse, misuse and abuse.
to minimize the developme
How many patients does case series should have In comparison to case reports.pdfpubrica101
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https://pubrica.com/academy/case-study-or-series/how-many-patients-does-case-series-should-have-in-comparison-to-case-reports/
2. POINTS TO BE COVERED:
Introduction
Sanitation Of Manufacturing Premises
Mix-ups And Cross Contamination
Processisng Of Intermediate And Bulk Products
Packaging Operations
I.P.Q.C. In Manufacturing And Packaging
Release Of Finished Product
Process Deviation
Charge In Of Components
Time Limitations On Production
Drug Product Inspection
Expiration Dating
Calculation Of Yield
Production Record Review
2
4. Good manufacturing practices which are currently acceptable should be followed
during carrying out all manufacturing operations and their control. Four key
words should always be kept in mind during this, they are:
(1) Identity.
(2) Strength,
(3) Safety, and
(4) Purity.
To achieve these things the manufacturing operations must be carried out under
the direct supervision of the qualified technical staff (Industrial pharmacists,
chemists, microbiologists etc), who are approved as "Expert Technical Staff" by
state FDA. Authorities.
4
5. A) SANITATION OF MAUFACTURING PREMISES
• For keeping the premises clean and sanitised, one must use validated cleaning
and Sanitising procedures.
• Certain locations in each area should be marked in each processing are for
collection of dust, debris, and waste or trash materials.
• SOP, of facility cleaning should clearly define the detergent and its
concentration to be used, the frequency of cleaning, the method of cleaning and
persons responsible for doing and supervising the job.
Documents Required
(i) SOP on housekeeping, covering, cleaning and disinfection of the various
areas.
(ii) Reports of cleaning and disinfection activities that have been actually
carried out.
5
6. (B) MIX-UPS AND CROSS CONTAMINATION
• Mix-ups can be defined as presence of undesired materials into desired materials,
which can generally be visibly seen e.g. cartons of one product into another.
• Contamination is also presence of some material where it is not desired.
SOURCES OF
CONTAMINATION
AND MIX-UPS
MATERIALS
PEOPLE
AREAS
MACHINES
AND
OPERATION
S
6
7. • SOPs and records should be kept for cleaning and sanitation of equipment.
• Manufacturing areas should be classified in various categories of expected cleanliness
Controlling of Contamination and Mix-ups: Certain procedures should be used to
control contamination and mix-ups e.g.
• Exhaust system with proper air filtration and dust collection should be placed where
heavy dust is generated.
• A SOP and record should be maintained for packaging "line-clearance", before starting
packaging of a new batch or product on the packaging lines.
Trained people :
In pharma processing the people should be trained in their jobs and also in the principles of
cGMP.
Technical or Organisational Measures:
Cross contamination should be avoided by appropriate technical or organisational measures.
• Wearing protective clothing in areas where products with special risk of cross
contamination are processed.
• Using cleaning and decontamination procedures.
7
8. (C) PROCESSISNG OF INTERMEDIATE AND BULK PRODUCTS
Intermediate Product : A partly processed material that must undergo the further
manufacturing steps before a bulk product.
Bulk Product : Any product that has completed all processing steps up to but not
including final packaging.
8
9. Points that
are required
to be kept in
mind so that
the identity,
strength,
safety and
purity of the
product is
maintained.
Before starting any processing, the materials received from
the stores should be checked for the identity and quantity.
Process area and equipment must be clean and no traces of
previous product should be there.
Environmental conditions must meet the processing
requirements.
Yield of materials at all critical stages of operations should be
checked.
All measuring, weighing, recording and controlling
equipment and instruments should be calibrated regularly.
Repairs and maintenance operations should not present any
hazard to the quality of the products.
All I.P.Q.C. checks should be carried out at pre-determined
stages and deviations.
Access to production areas should be restricted only to authorised
persons.
9
10. (D) PACKAGING OPERATIONS
Similar to manufacturing operations, packaging operations should also have
to follow certain precautions to get a good quality product at the end.
Following are some of the critical points, which should be remembered while
carrying out the packaging Operations.
10
11. Avoid risk of cross-contamination and mix-ups.a)
"Line-clearance" SOP should be followed and records maintained.b)
Normally, filling and sealing should be followed as quickly as
possible by labelling and final packing.c)
Over printing on labels, cartons, coated tablet, etc. should be
carefully planned and activities clearly segregated to avoid mix-ups.d)
Empty packet detections system in tab/cap. should be used.e)
Printed and embossed information on packaging materials should be
distinct and and resistant to fading or erasing.f)
Products which are involved in unusual event during packaging
operations, should be fully investigated recorded and packed.g)
Upon completion of a packaging operation, any unused batch coded
packaging materials should be destroyed and the destruction recorded.h)
11
12. 12
FOR
MANUFACTURING
OPERATIONS:
Assay, moisture,
angle of repose at
end of
granulation.
Bulk density
of granulated
material.
Physical parameters
of compression of
tablets.
Fill
weight/volumes
Particle size in
suspentions
pH of solution
before filling.
Sterility testing
in parentral
preparation
Environmental
conditions verification
e.g. Temperature, relative
humidity.
(E) I.P.Q.C. IN MANUFACTURING AND PACKAGING
Standard operating procedures should be available and followed for in-process quality
control activity during manufacturing and packaging activities. Following points should
be kept in mind.
13. FOR
PACKAGING
OPERATIONS
General
appearance
Fill weights,
volumes, unit
quantities etc
Completeness
of package
Correctness of
all materials
used.
Correctness of
over printed
details.
Correct
functioning of all
on line monitors
Environmental
conditions records
e.g. temperature,
humidity etc.
Collection of
samples for testing
and retention
should be recorded
13
14. (F) RELEASE OF FINISHED PRODUCT
Releasing of finishing product is the last activity in the manufacturing and packaging
operations at the factory.
Finished products must be placed in quarantine in such a way that these cannot be removed for
use until such time these are released.
Samples of the product taken at intervals during the packaging process must be retained for
examination by the Q.C. laboratory.
Documentation should be re-checked, completed and sent for a complete documentation audit
by Q.A.
When all required parameters are satisfied, including the document audit, Q. C. may
recommend release of the product from its quarantine status.
The finished product should be released for sale by authorised person from Q.A. department.
14
15. (G) PROCESS DEVIATION
• Process deviation can be defined as variation, in the production or anyother
prosess from the predefined procedure.
• Such deviations may adversely affect the desired quality of the pharmaceutical
product and hence such deviations should be generally avoided and if
exceptionally required then such deviations must be justified and properly
authoring and recorded.
• The main purpose of written manufacturing procedures is to built the desired
quality into the product.
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16. (H) CHARGE IN OF COMPONENTS
• Each batch is formulated with the intent to provide not less than 100% of the
labelled or established amount of the ingredient.
• Before and after addition of the active ingredient, the product should be weighed
and measured appropraiately.
• Weighing, measuring or subdividing operations for components shall be
adequately supervised.
• Generally, addition is done by an operator or worker and verified by a production
pharmacist.
• It may be advisable that the addition of the active substance is done in the presence
of a I.P.Q.C. person, to enhance the level of confidence in manufacturing .
16
17. (I) TIME LIMITATIONS ON PRODUCTION
• A pharmaceutical manufacturing process should be completed in a specified time
period. Normally, starting and finishing of a pharmaceutical process should be
noted and it should be as minimum as possible.
• To avoid problems, all critical stages in the manufacturing process should be
identified for each formulation and time limit of hold at each such stage must be
defined based on the stability data and G.M.P, related issues.
• This should be done for each product since the stability related issues of each
product may be different.
• These data should be available with the manufacturing pharmacist or alternatively
such data may be provided in the M.P.C.R. and B.P.C.R. of each product.
17
18. (J) DRUG PRODUCT INSPECTION
• Inspection at various stages of manufacturing i.e. production and packaging is
always carried out throughout the process of manufacturing, this job is done by the
I.P.Q.C. or I.P.Q.A. section under the quality management group.
• “Drug Product Inspection” should be done. This concept suggest three things:
18
Packaged and labelled products shall be examined during finishing operations to
provide assurance that containers and packages in the lot have correct label.
A representative sample shall be collected at the completion of finishing operation and
shall be visually examined for correct labelling.
Results of these examinations shall be recorded in the B.P.C.R.
19. (K) EXPIRATION DATING
• The responsibility of the pharmaceutical manufacturer is that the drug product
should have the stated potency and therapeutic effectiveness till the end of the
shelf life of the product. This shelf life should be based on the stability studies
data of the product concerned.
• For this purpose a detailed SOP on carrying out drug stability studies is required.
• The expiration dates shall be related to any storage conditions.
• If the drug product is to be reconstituted at the time of dispensing, its labelling
shall bear expiration information for both the reconstituted and unconstituted
drug products e.g. in case of dry syrup preparations.
• Some eye drops are also labelled as how long they can be used after opening the
bottle pack. This is in addition to the expiry product of unopened containers.
19
21. (M) PRODUCTION RECORD REVIEW
• The main principle of cG.M.P. is that "The quality of a product is built into it and
cannot be just tested in it".
• Quality control or testing can test only certain testable parameters only in the final
product, but it cannot assure the quality of the product. Testing has certain
limitations.
• Hence, the concept of Q.A. has come into existence. Q.A. not only believes in
testing, but it also tries to assure that the entire process of manufacturing has been
actually followed, the way it should have been followed. This activity is done with
the help of following :
21
Carry out in process quality check and record them.
Collect samples throughout the manufacturing process on different times.
Check all the documents related to the batch production, along with quality
control documents
22. In this connection the regulatory literature gives certain important guidelines,
which are very important.
All drug product production and control records, including those for packaging
and labelling shall be reviewed and approved by the quality control unit.
Any unexplained discrepancy (including percentage of theoretical yield exceeding
the maximum or minimum percentage established in M.P.C.R.) or the failure of a
batch or any of its components to meet any of its specifications shall be
thoroughly investigated.
The investigation of such batches shall extend to other batches of the same drug
product and other drug products that may have been associated with the specific
failure or discrepancy.
A written record of such investigation shall be made and shall include the
conclusion and follow up.
22
23. REFERENCES
Manohar A. Potdar, Pharmaceutical Quality Assurance, fifth edition
August 2016, Nirali Prakashan, page no.6.01-6.13
Pharmtech,pharmaceutical intermediate and bulk products, published on
Monday, june 17, 2013 available on
http://pharmatechbd.blogspot.in/2013/06/define-pharmaceutical-stating-
materials.html
U.S. Food And Drug Administraton, current good manufacturing practices,
updated on 10/06/2017 available on
https://www.fda.gov/drugs/developmentapprovalprocess/manufacturing/uc
m169105.htm
Code Of Federal Regulation, title 21, volume 4, revised as of April 1,
2017, sec. 211.103 Calculation Of Yield. Available on
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?
fr=211.103
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