000 00297nam a2200109Ia 4500
008 220729s2012 xx 000 0 und d
041 _aeng
100 _aMel Wilcox C
245 _aAtlas of clinical gastrointestinal endoscopy
250 _a3
260 _aPhiladelphia
_bElesevier Publications
_c2012
999 _c136270
_d136270