About: orphan drug

Premodifier: orphan
Head noun: drug

Same concepts
http://dbpedia.org/resource/Orphan_drug

Broader concepts

label	provenance	confidence
drug	isap:169835983	0.485602
designation	isap:416905503	0.427292
development	isap:419553714	0.408156

Narrower concepts

label	provenance	confidence
market exclusivity for 10	isap:355865742	0.623035
anascorp	isap:380793119	0.323802