JAMA, PubMed, and Europe PMC
Description: Direct link to (JAMA): Journal of the American Medical Association.
Description: PubMed comprises more than 21 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.
PubMed does not include the full text of journal articles; however, click the icon in the top right corner of the abstract display to link to the full text, if available.
Free full text Filter: Use the filter sidebar and click the Free full text available link to narrow your results to resources that are available for free on the web.
Description: Europe PMC (a counter part of PubMed Central) is a free database of life sciences and biomedical research information plus contains Pantents, NHS (National Health Service) guidelines, and Agricola records.