||National Center for Biotechnology Information/ National Library of Medicine
|| PubMed comprises more than 23 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.
||1951- present. Occasional articles predating 1951.
||No, Full Text available through links to PubMed Central or by using Find It.
||Clinical queries allows to filter searches to only clinical trials or systematic reviews. Extensive limiting, subject headings.
||None; freely available online.