000 00333nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aGastroenterology
245 _aGastroenterology : 1989 : Volume 96(1-3) : (Tiruvallur)
260 _bThe American Gastroenterological Association
_c1989
300 _a966p.
650 _aGastroenterology
999 _c4727
_d4727