Randomized, double-blind, placebo-controlled trial of oral aloe vera gel for active ulcerative colitis. by Langmead, L, Feakins, R, Goldthorpe, S, Holt, H, Tsironi, E, De Silva, A, Jewell, D, Rampton, D

Guidelines on the diagnosis and management of iron deficiency and anemia in inflammatory bowel diseases. by Gasche, C, Berstad, A, Befrits, R, Beglinger, C, Dignass, A, Erichsen, K, Gomollon, F, Hjortswang, H, Koutroubakis, I, Kulnigg, S, Oldenburg, B, Rampton, D, Schroeder, O, Stein, J, Travis, S, Van Assche, G