The effects of famotidine and omeprazole on 24-hour intragastric pH of normal subjects - Ohara, S; Hongo, M; Asaki, S; Sato, A; Shibuya, D; Sato, H; Motojima, T; Yamaguchi, N; Ohara, T; Tamura, T (Nippon Shōkakibyō Gakkai zasshi, 1988)