The effect of recombinant human osteogenic protein-1 (bone morphogenetic protein-7) impregnation on allografts in a canine intercalary bone defect. - Cullinane DM; Lietman SA; Inoue N; Deitz LW; Chao EY (Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2002)