About: case control

Premodifier: case
Head noun: control

Same concepts
http://dbpedia.org/resource/Case-control_study

Broader concepts

label	provenance	confidence
observational study	isap:36097856	0.740713
study	isap:36097854	0.546205

Narrower concepts

label	provenance	confidence
study	isap:231429165	0.266347