000 00273nam a2200097Ia 4500
008 220809s2004 xx 000 0 und d
041 _aeng
245 _aPediatric Clinics of North America: Vol.52, No.4, Aug 2004
260 _aPhiladelphia
_bWBS
_c2004
520 _aBack Volume
999 _c162798
_d162798