http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Library of Medicine programs and services
National Library of Medicine programs & services <1994->
Also available from the NIH website. Address as of 7/2/2003: http://www.nlm.nih.gov/pubs/reports.html; current access via PURL.
Microfiche. <1992> [Washington, D.C.] : Supt. of Docs., U.S. G.P.O. microfiches : negative.
Vol. for 1977 issued by: National Institutes of Health; 1978-19 by: National Library of Medicine; <1987-> by: U.S. Dept. of Health and Human Service, Public Health Service, National Institutes of Health.