Premodifier: human
Head noun: study

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

Broader concepts

labelprovenanceconfidence
further researchisap:2935708990.524571
risk factorisap:1531504190.462505
opinionisap:2291835080.335312
howeverisap:2245481760.289585
resultisap:1561715720.168090