Gastroenterology
Gastroenterology > 2002 > 122 > 2 > 387-393
Gastroenterology > 2002 > 122 > 2 > 448-457
Gastroenterology > 2002 > 122 > 2 > 340-351
Gastroenterology > 2002 > 122 > 2 > 308-317
Gastroenterology > 2002 > 122 > 3 > 725-733
Gastroenterology > 2002 > 122 > 3 > 784-788
Gastroenterology > 2002 > 122 > 3 > 681-688