2Goings GS, Cole JD. The use of cannulated screws and tita-nium cable for the fixation of patellar fractures [J] . Cali Formin Feb,1993, 18~22.
3Bery EE. Open reduction internal fixation of displace truans--verse patella fractures with figure--eight wiring through parallel cannulated compression screws[J]. J Otthop Tratrma, 1997, 11(8) ,573~576.
4U. P?iv?rinta,O. B?stman,A. Majola,T. Toivonen,P. T?rm?l?,P. Rokkanen. Intraosseous cellular response to biodegradable fracture fixation screws made of polyglycolide or polylactide[J] 1993,Archives of Orthopaedic and Trauma Surgery(2):71～74
