https://uts.nlm.nih.gov/uts/umls/concept/C2960082
UMLS Metathesaurus Browser
This is an interface for searching and browsing the UMLS Metathesaurus data. Our goal here is to present the UMLS Metathesaurus data in a useful way.
umls metathesaurusbrowser
https://www.nlm.nih.gov/pubs/techbull/ja17/brief/ja17_umls_discontinuing_active_release.html
UMLS Active Release Download Discontinued with 2017AB. NLM Technical Bulletin. 2017 Jul–Aug
The National Library of Medicine (NLM) is ceasing production of the separate Active Release download for each Unified Medical Language System (UMLS) Release....
nlm technical bulletinumlsactivereleasedownload
https://uts.nlm.nih.gov/uts/umls/concept/C0039416
UMLS Metathesaurus Browser
This is an interface for searching and browsing the UMLS Metathesaurus data. Our goal here is to present the UMLS Metathesaurus data in a useful way.
umls metathesaurusbrowser