000 00276nam a2200097Ia 4500
008 220729s1992 xx 000 0 und d
041 _aeng
100 _aKlaus M H
245 _aYear book ok neonatal and perinatal medicine -1992
260 _aSt. Louis
_bMosby Year Book Inc
_c1992
999 _c129599
_d129599