. Author manuscript; available in PMC: 2016 Mar 21.

Published in final edited form as: Stud Health Technol Inform. 2015;216:785–789.

Table 1. Number of supplement terms mapped to the UMLS, MeSH, SNOMED CT, RxNorm and NDF-RT concepts.

	NSAD	NMCD	MedScape	Medline	Drugs
Terms	1331	1038	1080	134	66
UMLS	1088	810	398	121	65
MeSH	930	658	307	108	49
SNOMED	669	492	291	99	41
RxNorm	565	400	228	93	60
NDF-RT	348	272	124	75	43