About: nested case-control study

Premodifier: nested case-control
Head noun: study

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

Broader concepts

label	provenance	confidence
case-control study	isap:371315824	0.681517

Narrower concepts

label	provenance	confidence
individual	isap:475567379	0.427746
study	isap:371315244	0.395744