000 00317nam a2200109Ia 4500
008 220729s2012 xx 000 0 und d
041 _aeng
100 _aGeorge Gershman
245 _aPractical pediatric gastrointestinal endoscopy
250 _a2
260 _aUnited Kingdom
_bWiley-Blackwell John Wiley and Sons
_c2012
999 _c135696
_d135696