The list is alphabetical.
CINAHL® provides indexing for 2,737 journals from the fields of nursing and allied health. The database contains more than 1,000,000 records dating back to 1982. Offering complete coverage of English-language nursing journals and publications from the National League for Nursing and the American Nurses' Association, CINAHL covers nursing, biomedicine, health sciences librarianship, alternative/complementary medicine, consumer health and 17 allied health disciplines.
PsycINFO®, from the American Psychological Association (APA), contains more than 2 million citations and summaries of scholarly journal articles, book chapters, books, and dissertations, all in psychology and related disciplines, dating as far back as the 1800s.
The National Center for Biotechnology Information (NCBI) provides analysis and retrieval resources that include the GeneBank, Entrez, MyNCBI, PubMed, Entrez Gene, BLAST, BLAST Link (BLink), Electronic PCR, UniGene, HomoloGene, ProtEST, Cancer Chromosomes, Entrez Genomes, among many others.
PubMed includes over 26 million citations for biomedical literature from MEDLINE, life science journals, and online books. PubMed citations and abstracts include the fields of biomedicine and health, covering portions of the life sciences, behavioral sciences, chemical sciences, and bioengineering. Select full-text is available via PubMed Central.