UMLS documentation has moved to the UMLS Reference Manual. Please update any bookmarks.
Redirecting /research/umls/meta3.html to http://www.ncbi.nlm.nih.gov/books/NBK9679/.
Copyright, Privacy, Accessibility, Site Map, Viewers and Players
U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health, Health & Human Services
Freedom of Information Act, Contact Us
Last reviewed: 11 February 2011Last updated: 11 February 2011First published: 11 February 2011Metadata| Permanence level: Permanence Not Guaranteed