000 00345nam a2200133Ia 4500
008 220729s2020 xx 000 0 und d
041 _aeng
100 _aRobert M Kliegman Joseph W ST Geme Nathan J Blum
245 _aNelson text book of pediatrics
250 _a21
260 _aPhiladelphia
_bElsevier
_c2020
300 _a3827
440 _v2
999 _c138548
_d138548