000 00299nam a2200109u 4500
050 0 0 _aMED RG732
_bO27
245 1 0 _aObstetrical anesthesia: current concepts and practice
260 _aNew York
_bRobert E. Krieger
_c1973
300 _axv, 256 p.
_bill;
650 0 _aAnesthesia in obstetrics
942 _cBK
999 _c12683
_d12683