About: primary headache disorder

Premodifier: primary headache
Head noun: disorder

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
tension-type headache	isap:62933322	0.879770
cluster headache	isap:62933324	0.812675
migraine	isap:60112986	0.692735
migraine headache	isap:62933360	0.644048