000 00277nam a2200109Ia 4500
008 220729s1986 xx 000 0 und d
041 _aeng
100 _aBeischer N A
245 _aObstetrics and the new born
250 _a2
260 _aPhiladelphia
_bWB Saunders Company
_c1986
999 _c127349
_d127349