7Bostman OM, Pihlajamfiki HK, Partio EK, el al. Clinical bioeompat- ibility anddegradation of polylevolacide screws in ankle. Clin for thop, 1995,320 : 101.
8Weiler A, Ho{fmann RF, Stahelin AC, et al. Biodegrad able im plants in sports medicine: the biological base. Arthroscopy, 2000,16(3) :305-321.
9Bosman O,Paytio EK, Hirvensalo E. Poreignbody reactions to polyglycolide, screw:observation in 24/216. mallcolar fracture cases[J]. Acta Orthop Scand, 1992,63 : 173
