1. 5-Aminosalicylic acid enemas in refractory distal ulcerative colitis: A randomized, controlled trial;Friedman;American J Gastroenterology,1986
2. 5-Aminosalicylic acid (5-ASA) enemas are effective in patients with resistent ulcerative rectosigmoiditis;Janssens;Gastroenterology,1983
3. Topical 5-aminosalicylic acid versus prednisolone in ulcerative proctosigmoiditis: A randomized, double-blind multicenter trial;Digestive Diseases and Sciences,1987
4. 5-Aminosalicylic acid enema in the treatment of distal ulcerative colitis, proctosigmoiditis, and proctitis;Sutherland;Gastroenterology,1987
5. Refractory distal ulcerative colitis responsive to 5-aminosalicylate enemas;Barber;American J Gastroenterology,1985