title: Proceedings: A controlled therapeutic trial of long-term maintenance treatment of ulcerative colitis with sulphasalazine (salazopyrin).
mesh_terms: D001706:Biopsy; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D006801:Humans; D012812:Sigmoidoscopy; D012460:Sulfasalazine / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D012460:Sulfasalazine