title: Primary total proctocolectomy for ulcerative colitis.
mesh_terms: D000328:Adult; D000367:Age Factors; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000401:mortality / Q000601:surgery* / Q000628:therapy; D005260:Female; D006801:Humans; D007081:Ileostomy / Q000009:adverse effects; D008297:Male; D011183:Postoperative Complications; D012007:Rectum / Q000601:surgery*; D012737:Sex Factors; D012460:Sulfasalazine / Q000627:therapeutic use; D014481:United States
chemical_list: D012460:Sulfasalazine