000 00275nam a2200097Ia 4500
008 220809s1993 xx 000 0 und d
041 _aeng
245 _aPaediatric Clinics of Nortth America Vol.40, No.5, 1993
260 _aLondon
_bWB Saunders Co
_c1993
520 _aBack Volume
999 _c159327
_d159327