000 00345nam a2200145Ia 4500
008 180712s9999 xx 000 0 und d
020 _a9780071497015
082 _a618.2
_bWIL
245 _aWILLIAM'S obstetrics
250 _a23rd ed.
260 _aNew York
_bMcGraw-Hill
_c2010
300 _axiv, 1385 p.
650 _aObstetrics
942 _cR
999 _c48334
_d48334