000 00332nam a2200145Ia 4500
008 240112s2017 xx 000 0 und d
022 _a8898545
041 _aeng
082 _a618.2
100 _aNICHALSEN W.
245 _aOBSTETRICS AND GYNECOLOGY CLINICS
260 _bELSEVIER
_c2017
300 _a1-141
_c1
440 _v44
999 _c1145380
_d1145380