UMLSColitides, Ulcerative, COLITIS ULCERATIVE, Colitis, Ulcerative, Hemorrhagic Proctocolitides, Hemorrhagic Proctocolitis, Hemorrhagic Rectocolitides, Hemorrhagic Rectocolitis, INFLAMMATORY BOWEL DISEASE ULCERATIVE COLITIS, Proctocolitides, Hemorrhagic, Proctocolitides, Ulcerative, Proctocolitis, Hemorrhagic, Proctocolitis, Ulcerative, Rectocolitides, Hemorrhagic, Rectocolitides, Ulcerative, Rectocolitis, Hemorrhagic, Rectocolitis, Ulcerative, UC - Ulcerative colitis, Ulcerative Colitides, Ulcerative colitis, Ulcerative colitis, unspecified, Ulcerative Proctocolitides, Ulcerative Proctocolitis, Ulcerative Rectocolitides, Ulcerative Rectocolitis |