Ulcerating diseases of the gastrointestinal tract.
D003092:Colitis; D003093:Colitis, Ulcerative / Q000628:therapy*; D006471:Gastrointestinal Hemorrhage / Q000628:therapy*; D006801:Humans; D010437:Peptic Ulcer
COLITIS, ULCERATIVE/therapy; HEMORRHAGE, GASTROINTESTINAL/therapy