000 00273nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aF GRAY
245 0 _aWILLIAM OBSTETRICS
250 _a22ND
260 _bXX
300 _a1440
650 _aObs & Gyne
942 _cSURG
999 _c7423
_d7423