000 00309nam a2200097Ia 4500
008 220809s2002 xx 000 0 und d
041 _aeng
245 _aMedical Clinics of North America: Recent advances in gastroenterology Vol.86, No.6, Nov 2002
260 _aPhiladelphia
_bWBS
_c2002
520 _aBack Volume
999 _c162072
_d162072