About: retrospective study

Premodifier: retrospective
Head noun: study

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

Broader concepts

label	provenance	confidence
epidemiological study	isap:371315393	0.833157
longitudinal study	isap:371315421	0.572895
study	isap:371315300	0.436928
report	isap:156688155	0.373983
kind	isap:195555283	0.347897
evidence	isap:297897281	0.302362
effect	isap:161409883	0.252882

Narrower concepts

label	provenance	confidence
case-control study	isap:371315185	0.668371
present study	isap:371315290	0.644951
methods study	isap:371315598	0.643857
study	isap:371315058	0.546965
investigation	isap:142163175	0.333904
materials	isap:16248307	0.325732
first	isap:368333400	0.302771
methodsthis	isap:413879984	0.301827
pathos	isap:114159349	0.274606
patient	isap:39045089	0.241456
material	isap:362755323	0.223321
methodsthus	isap:414568989	0.180425