Premodifier: bone growth
Head noun: factor

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

Broader concepts

labelprovenanceconfidence
therapeutic agentisap:1139599020.705068
growth factorisap:3861111960.675209
drugisap:4963399530.504345
proteinisap:4449926550.431815

Narrower concepts

labelprovenanceconfidence
bone morphogenetic protein bmpisap:3031785780.695580
bone morphogenic proteinisap:3031785670.601006