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What is PubMed? What is Medline?

PubMed, a service of the National Library of Medicine, is free of charge on the Internet. It provides access to MEDLINE and additional life sciences journals. It can be accessed from any location. .

MEDLINE is the NLM's premier bibliographic database covering the fields of medicine, nursing, dentistry, veterinary medicine, the health care system, and the preclinical sciences. MEDLINE contains bibliographic citations and author abstracts from more than 4,800 biomedical journals published in the United States and 70 other countries. The database contains over 12 million citations dating back to the mid-1960's . Coverage is worldwide, but most records are from English-language sources or have English abstracts. [from: http://www.ncbi.nlm.nih.gov/entrez/query/static/overview.html]