000 00286nam a2200097Ia 4500
008 220809s1987 xx 000 0 und d
041 _aeng
245 _aClinical Orthopedics and Related Research Vol.216, March 1987
260 _aPennsylvania
_bJB Lippncott
_c1987
520 _aBack Volume
999 _c158351
_d158351