000 00272nam a2200097Ia 4500
008 220809s1997 xx 000 0 und d
041 _aeng
245 _aPaediatric Clinics of North America Vol.44, No.6, Dec 1997
260 _bWB Saunders Co
_c1997
520 _aBack Volume
999 _c160344
_d160344