About: surgical retractor

Premodifier: surgical
Head noun: retractor

Same concepts
http://dbpedia.org/resource/Retractor_(medical)

Broader concepts

label	provenance	confidence
surgical tool	isap:151356819	0.724278
instrument	isap:43530949	0.498036
apparatus	isap:351108154	0.493788
surgical instrument	isap:43530945	0.397609

Narrower concepts

label	provenance	confidence
retractor	isap:352885568	0.211485