1. Colonoscopy during an attack of severe ulcerative colitis is a safe procedure and a great value in clinical decision making;Alemayehu;Am J Gastroenterol,1991
2. The therapeutic dilatation of enteric strictures due to Crohn's disease;Alexander-Williams;Ann R Coll Surg Engl,1986
3. Endoscopic colonic decompression of toxic megacolon, placement of colonic tube, and steroid coloncylysis;Banez;Am J Gastroenterol,1987
4. Colonoscopy without prior preparation in mild to moderate active ulcerative colitis;Bat;J Clin Gastroenterol,1991
5. Dysplasia associated lesion or mass (DALM) detected by colonoscopy in long-standing ulcerative colitis: An indication for colectomy;Blackstone;Gastroenterology,1981