000 00298nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a617
100 _aKrettek
245 0 _aPositioning techniques in surgical applications
250 _a-
260 _bSv
_c-
440 _v_
650 _aSurgery
999 _c49148
_d49148