Premodifier: bone
Head noun: graft

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

Narrower concepts

labelprovenanceconfidence
calcium phosphateisap:168537410.670761
iliac crestisap:3658719600.464055
rodisap:4680654360.329651
patientisap:312492170.270899
resultisap:1230818880.235264
surgeryisap:345483030.066642