000 00292nam a2200133Ia 4500
008 200504s9999 xx 000 0 und d
082 _a618.2
100 _aFilkins (K)
245 0 _aHuman Prenatal Diagnosis
250 _a2
260 _bMarcel
_c1985
300 _eNO
650 _aObstetrics
999 _c19416
_d19416