000 00299nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a618.1
100 _aGoldsmith
245 0 _aAssisted ventilation of the neonate
250 _a4
260 _bElsevier
_c-
440 _v_
650 _aobstetrics
999 _c49383
_d49383