UMLS Focus. Conceptual Connections
UMLS Knowledge Sources
UMLS Distribution
2001 UMLS Metathesaurus
UMLS Metathesaurus. Finely Granular Concepts
UMLS Metathesaurus. Example 1
UMLS Organization
UMLS Metathesaurus. Example 2
UMLS Metathesaurus. Example 2 (2)
Multiple Meanings
UMLS Source Vocabularies
Important Source Vocabularies
Structure of MeSH
Descriptors
Hierarchies
Qualifiers
Supplementals
Use of MESH
SnoMed
Newer Challenges
Description Logic
Neuroanatomy
Approach
Drug Naming
Drug Naming (2)
Ars Longa, Vita Brevis
What Constitutes a Concept?
Problems in Meaning
Recommendations