PubMed: bridging the information gap.
McEntyre
J
J
National Center for Biotechnology Information, National Library of Medicine, National Institute of Health, Bethesda, Md., USA. mcentyre@ncbi.nlm.nih.gov
Lipman
D
D
D001483:Base Sequence; D001877:Books; D006801:Humans; D019146:Hypermedia / Q000639:trends*; D020407:Internet / Q000458:organization & administration*; D016239:MEDLINE / Q000458:organization & administration*; D009317:National Library of Medicine (U.S.) / Q000458:organization & administration; D010506:Periodicals as Topic; D014481:United States