ENNEKING, WF. A system for the functional evaluation of reconstructive procedures after surgical treatment of tumors of the musculoskeletal system. Clin Orthop. 1993, 286, 241-246
DE BOER, HH. Bone changes in the vascularized fibular graft. J Bone Joint Surg, B. 1989, 71, 374-378
ENNEKING, WF. A system for the surgical staging of musculoskeletal sarcoma. Clin Orthop. 1980, 153, 106-120