Colectomy rate comparison after treatment of ulcerative colitis with placebo or infliximab - Sandborn, W J; Rutgeerts, P; Feagan, B G; Reinisch, W; Olson, A; Johanns, J; Lu, J; Horgan, K; Rachmilewitz, D; Hanauer, S B; Lichtenstein, G R; de Villiers, W J; Present, D; Sands, B E; Colombel, J F (Gastroenterology, 2009)
quiz 1520