[1] Kochi Clinical Gastroenterology Study Group,
[2] Departments of,undefined
[3] Surgery and,undefined
[4] Internal Medicine,undefined
[5] Kuniyoshi Hospital,undefined
[6] 1-3-4 Kamimachi,undefined
[7] Kochi 780-0901,undefined
[8] Japan,undefined
[9] Department of Surgery,undefined
[10] Tsukuba Soai Hospital,undefined
[11] 1008 Takasaki,undefined
[12] Kukisaki,undefined
[13] Ibaraki 300-1245,undefined
[14] Japan,undefined