TY  - RPRT
TI  - Representing the UMLS as an object-oriented database: modeling issues and advantages.
AU  - H Gu
AU  - Y Perl
AU  - J Geller
AU  - M Halper
AU  - L M Liu
AU  - J J Cimino
DO  - 10.1136/jamia.2000.0070066
UR  - https://pubmed.ncbi.nlm.nih.gov/10641964/
ID  - 10641964
ER  -