000 00334nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aGastroenterology
245 _aGastroenterology : 1987 : Volume 93(4-6) : (Tiruvallur)
260 _bThe American Gastroenterological Association
_c1987
300 _a1483p.
650 _aGastroenterology
999 _c4375
_d4375