000 00274nam a2200097Ia 4500
008 220809s1997 xx 000 0 und d
041 _aeng
245 _aPaediatric Clinics of North America Vol.44, No.2, April 1997
260 _bWB Saunders Co
_c1997
520 _aBack Volume
999 _c160340
_d160340