000			00320nam a2200133Ia 4500
008			220729s2020 xx 000 0 und d
041			_aeng
100			_aVincenzo Berghella
245			_aMaternal fetal evidence based guidelines
250			_a3
260			_aNew York _bCRC Press _c2020
300			_a571
440			_v1
999			_c139014 _d139014