Gastroenterology
Gastroenterology > 1998 > 114 > 4 > 823-839
Gastroenterology > 1998 > 114 > 4 > 714-723
Gastroenterology > 1998 > 114 > 4 > 649-656
Gastroenterology > 1998 > 114 > 4 > 657-668
Gastroenterology > 1998 > 114 > 4 > 706-713
Gastroenterology > 1998 > 114 > 4 > 675-689
Gastroenterology > 1998 > 114 > 4 > 817-822
Gastroenterology > 1998 > 114 > 4 > 697-705
Gastroenterology > 1998 > 114 > 4 > 791-797