title: Rectal vascular resistance in ulcerative colitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002198:Capillary Fragility; D002648:Child; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000150:complications / Q000188:drug therapy / Q000503:physiopathology*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use; D012007:Rectum / Q000503:physiopathology*; D012812:Sigmoidoscopy; D012460:Sulfasalazine / Q000627:therapeutic use; D014655:Vascular Resistance
chemical_list: D012460:Sulfasalazine; D011241:Prednisone