This document defines primary literature and provides examples and information about accessing it. Primary literature is original research that has not been interpreted by others. It includes scientific journal articles reporting research results. It has the advantage of being current, but requires knowledge of scientific methods to properly interpret. Examples of primary literature include journal articles in Medscape Publishers' Circle, which can be accessed directly from the Medscape website. Open access primary literature is freely available online without restrictions.

1. Definition: Publication of original research that has NOT been interpreted or changed by others Primary Literature:

2. Examples: Scientific journal articles which report results of case studies, research or clinical trials Primary Literature:

3. Advantage: Current & original information Primary Literature:

4. Limitations: Knowledge of scientific methods & statistics is needed to properly interpret the information Primary Literature:

5. When to use: When looking for most up to date information Primary Literature:

6. Primary Literature: Layout !!

7. Primary Literature: The text of observational and experimental articles is usually ( but not necessarily ) divided into sections with the headings:

8. Primary Literature: Introduction, Methods, Results, and Discussion

9. Long articles may need subheadings in some sections (especially the Results and Discussion sections) to clarify their contents Primary Literature:

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34. Where to find primary literature?? Scientific – peer reviewed - Journals !!

37. Open Access Primary Literature !!

38. Open Access Primary Literature !! Freely available on the public internet, permitting any users to Read, download, Copy, distribute, Print, search, or Link to the full texts of these articles, Crawl them for indexing, Pass them as data to software, or use them for any other lawful purpose, Without financial, legal, or technical barriers other than those inseparable from gaining access to the internet itself

39. Open Access Primary Literature !! The only constraint on reproduction and distribution, and the only role for copyright in this domain, should be to give authors control over the integrity of their work and the right to be properly acknowledged and cited."

46. Primary literature from Medscape ® !!! Medscape Publishers' Circle ®

47. Medical Journals on Medscape http :// www . medscape . com / public / publications or from Medscape home page !!!

52. How to reach Medscape publishers’ circle from its home page