PubMed comprises more than 22 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.
Indexes scholarly and general interest titles, as well as government documents and reports on the ways humans affect the environment. Contains nearly 300,000 records, full text for selected titles and searchable cited references for more than 200 titles.
Scholarly articles in over 150 academic journals. Articles date from the 1800s up to a "moving wall" of between one and eight years before the present. Coverage includes the arts, business, general science, the humanities, and social science.
The PILOTS database is sponsored by the U.S. Department of Veterans Affairs. Its goal is to include citations to all literature on post-traumatic stress disorder (PTSD) and other mental-health sequelae of traumatic events, without disciplinary, linguistic, or geographical limitations, and to offer both current and retrospective coverage.
SciTech Connect offers links to over 360,000 full-text articles and 2.5 million citations from the US Department of Energy. Covers subjects from biology and medicine, environmental science, renewable energy sources, and more.