PubMed is a free resource developed and maintained by the National Center for Biotechnology Information that covers journal articles in medicine, nursing, dentistry, veterinary medicine, and healthcare. It contains over 24 million citations for biomedical literature from 5,200 medical journals in 40 languages dating back to 1949 and is updated daily. PubMed also provides links to other relevant websites and the NCBI's molecular biology resources.

1. Pubmed

2. What is PubMed?
“PubMed is a free resource that is developed
and maintained by the National Center for
Biotechnology Information (NCBI), that
covers journal articles in medicine,
nursing, dentistry, veterinary medicine,
and the health care system.”

3. Why Use PubMed?
PubMed comprises over 24 million citations for biomedical literature,1,40,000
supplementary concepts, and online books of biomedicine and life sciences,
behavioral sciences, chemical sciences, and bioengineering.
It has information about 5,200 medical journal articles in 40 languages dating back to
1949,and updated daily from the publishers.
PubMed also provides access to additional relevant web sites and links to the other
NCBI molecular biology resources.

4. How made advance searching
Boolean logic (AND, OR, and
NOT),
Truncation.
Phrase searching
Building Blocks

5. Objectives
Contact librarian for
help
Execute a simple
search
Locate full text
Use subject
headings
Single Citation
Matcher
Apply
limits
relevancy
of results

6. Evaluation
criteria
Evaluation criteria

7. Less Time
Less Work
Less Evidence
More Time
More Work
More Evidence
Systematic Reviews of
Randomized Controlled Trials
Critically Appraised Topics
Randomized Controlled Trials
Case Controlled
Studies
Publication type
Case Reports
Clinical Trial
Comparative Study
Evaluation Studies
Meta-Analysis
Validation Studies
Comparison with other database

8. http://www.nlm.nih.gov/