MEDLINE
Free access to the MEDLINE database of more than 9 million references to articles published in 3800 biomedical journals, covering the time period 1966-present. Two Web-based access methods, PubMed and Internet Grateful Med are available. PubMed includes a Clinical Queries page to filter retrieval for clincal research articles, as well as access to the full text of some articles cited in MEDLINE.
http://www.pubmed.gov/ |