by Tominaga, K, Hirahata, K, Maetani, I, Kowazaki, H, Tamura, K, Matsubayashi, J
Published in Gut (01.04.2008)

by Ohta, A, Ishizuka, S, Sakai, K, Hoshi, H, Kowazaki, H, Ishii, N, Eiraku, H, Satoh, S, Kataba, Y, Kishi, H, Sakai, Y
Published in Nippon Shōkakibyō Gakkai zasshi (01.11.1997)

by Yasuda, M., Inoue, H., Kobayashi, H., Kakemura, T., Ogawa, S., Anzai, T., Hoshi, H., Watanabe, S., Hocchi, Y., Kowazaki, H., Fujinuma, S., Sakai, Y.
Published in Nippon Daicho Komonbyo Gakkai Zasshi (1993)