Matsuno Y, Torisu T, Umeno J, Shibata H, Hirano A, Fuyuno Y, Okamoto Y, Fujioka S, Kawasaki K, Moriyama T, Nagasue T, Zeze K, Hirakawa Y, Kawatoko S, Koga Y, Oda Y, Esaki M, Kitazono T
Background/Aims: Recent studies suggested a favorable effect of indigo naturalis (IN) in inducing remission for refractory ulcerative colitis (UC), however, the maintenance effect of IN for patients with UC remains...