共 13 条
[7]
Graham DY, 2003, AM J GASTROENTEROL, V98, P1005, DOI [10.1016/S0002-9270(03)00144-8, 10.1111/j.1572-0241.2003.07426.x]
[9]
Graham DY, 1996, AM J GASTROENTEROL, V91, P2120
[10]
Johnson P. G., 1996, Gut, V39, pA118

