About: photorefractive keratectomy

Premodifier: photorefractive
Head noun: keratectomy

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

Broader concepts

label	provenance	confidence
refractive surgery	isap:140357229	0.648852
laser procedure	isap:277255321	0.540881
procedure	isap:277255320	0.490025

Narrower concepts

label	provenance	confidence