000 00311nam a2200109Ia 4500
008 220729s2017 xx 000 0 und d
041 _aeng
100 _aSteven G Gabbe Jennifer R Niebyl
245 _aObstetrics normal and problem pregnancies
250 _a1
260 _aNew Delhi
_bElesevier Publications
_c2017
999 _c137716
_d137716