Watabe R, Araki Y, Motomura Y, Kubo H, Ochiai T, Hamada S, Nakamura K, Chijiiwa Y, Nawata H, Matsui N
Third Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
J Clin Gastroenterol. 1998 Jun;26(4):348-50. doi: 10.1097/00004836-199806000-00032.