000 00328nam a2200097Ia 4500
008 220809s2003 xx 000 0 und d
041 _aeng
245 _aGastroenterology Clinics of North America: Functional disorders of the gastrointestional tract Vol.32, No.2, 2003
260 _aPhiladelphia
_bWBS
_c2003
520 _aBack Volume
999 _c162148
_d162148