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PubMed Central

A portion of the free full-text articles reside in PubMed Central (PMC). PMC is NLM free digital archive of life sciences journal literature.

The full-text in PMC can be viewed as HTML or PDF.

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This video can be seen directly at http://www.nlm.nih.gov/bsd/disted/pubmedtutorial/videos/050_030.mp4


Last Reviewed: July 30, 2018