PubMed indexes over 4,000 biomedical, nursing, dentistry and related journals, with over 21 million citations in MEDLINE, PreMEDLINE and related databases. PubMed is produced by the National Center for Biotechnology Information (NCBI) and provides links between article citations and relevant data in other NCBI ENTREZ databases, including Nucleotide and Protein Sequences, Protein Structures, Complete Genomes, Taxonomy, and others.
Includes journal literature, 1950-present; selected online books. This version uses
Outside Tool to link to resources at U-M Flint.
CoCites, "a citation-based method for searching scientific literature," is a Chrome- and Firefox-compatible browser plugin you can use with PubMed.