UMLS knowledge sources :
Metathesaurus, Semantic network, [and] SPECIALIST lexicon /
National Library of Medicine.
APA Citation
National Library of Medicine (U.S.). UMLS knowledge sources: Metathesaurus, Semantic network, [and] SPECIALIST lexicon. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Library of Medicine.
MLA Citation
National Library of Medicine (U.S.). UMLS Knowledge Sources: Metathesaurus, Semantic Network, [and] SPECIALIST Lexicon. [Bethesda, Md.]: U.S. Dept. of Health and Human Services, National Institutes of Health, National Library of Medicine,
Warning: These citations may not always be complete (especially for serials).