Free from the National Institutes of Health. Catalogs human genes and genetic disorders with links to abstracts and articles in the medical literature.
MEDLINE Complete provides medical information on medicine, nursing, dentistry, veterinary medicine, the health care system and pre-clinical sciences. Uses MeSH (Medical Subject Headings) indexing to search citations from over 5,400 current biomedical journals. Includes full text access to over 1,800 journals indexed in MEDLINE.
PubMed includes over 30 million indexed 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. Dates: early 1800s - present.
Covers all the sciences, engineering, forestry, geography, homeland security and terrorism, International relations, mathematics, military and defense, public health and safety, sustainability, and much more. Includes scholarly journals, trade and industry journals, magazines, technical reports, select videos, conference proceedings, government publications and more.
Dates: 1946 - present.
Search 220 open access, online, peer-reviewed journals on science, technology, and medicine. The journals span all areas of biology and medicine and includes broad interest titles, such as BMC Biology and BMC Medicine alongside specialist journals, such as Retrovirology and BMC Genomics.
Free online archive for unpublished preprints, operated by Cold Spring Harbor Laboratory. Be aware: preprints are in preliminary states; they are not peer-reviewed, edited, or typeset, and may be different when actually published.