Authors: Tsuji, H Kohli, Y Fukumitsu, S Morita, K Kaneko, H Ohkawara, T Minami, M Ueda, K Sawa, Y Matsuzaki, H Morinaga, O Ohkawara, Y

Citation: H. Tsuji et al., Helicobacter pylori-negative gastric and duodenal ulcers, J GASTRO, 34(4), 1999, pp. 455-460