Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOUNG WF,Recombinant human bone morphogenetic protein-7 induces healing in a canine long-bone segmental defect model,Spine,,,1993,18,,1123-1124,https://cir.nii.ac.jp/crid/1570291225308803712,