Kato Takashi, Seino Yasuo, Takada Kohichi, Maruya Masumi, Okubo Shunichi, Nakamura Hideaki, Inoue Yoshiyuki, Meguro Takashi, Horita Shoichi, Oshikiri Taro, Yamada Hideyuki, Miyasaka Yuji, Fujita Miyoshi, Morita Takayuki, Yoshida Tatsuya, Chikai Kanako
Department of Internal Medicine, Hokkaido Gastroenterology Hospital.
Nihon Shokakibyo Gakkai Zasshi. 2003 May;100(5):587-92.