Extent of disease affects the usefulness of fecal biomarkers in ulcerative colitis oleh Akihito Sakuraba, Nobuki Nemoto, Noritaka Hibi, Ryo Ozaki, Sotaro Tokunaga, Oki Kikuchi, Shintaro Minowa, Tatsuya Mitsui, Miki Miura, Daisuke Saito, Mari Hayashida, Jun Miyoshi, Minoru Matsuura, Masayoshi Yoneyama, Hiroaki Ohnishi, Tadakazu Hisamatsu