title: Long-term results with Kiel bone grafts using the Cloward procedure.
mesh_terms: D001705:Bioprosthesis; D016025:Bone Transplantation; D006801:Humans; D008722:Methods; D009333:Neck; D010043:Outcome and Process Assessment, Health Care; D011859:Radiography; D013116:Spinal Cord / Q000033:anatomy & histology; D013118:Spinal Cord Diseases / Q000601:surgery*; D013126:Spinal Nerve Roots; D013131:Spine / Q000000981:diagnostic imaging; D013997:Time Factors