000 00401nam a2200133Ia 4500
008 220809s2019 xx 000 0 und d
041 _aeng
082 _a618
245 _aObstetrics and gynecology clinics of north America No-4 Vol-46 Dec 2019
260 _bOther Agencies
_c2019
520 _aBack Volume
650 _aObstetrics and Gynaecology (618)
650 _aObstetrics and Gynaecology (618)
999 _c168684
_d168684