Efficacy of mesalamine enema in the treatment of steroid-resistant or dependent distal ulcerative colitis

M. Naganuma, Y. Iwao, H. Ogata, S. Funakoshi, H. Takagi, M. Nakano, O. Hitotsumatsu, T. Ezaki, Tadakazu Hisamatsu, N. Inoue, T. Hibi, H. Ishii