Beclomethasone dipropionate (3 mg) versus 5-aminosalicylic acid (2 g) versus the combination of both (3 mg/2 g) as retention enemas in active ulcerative proctitis. - Mulder,C.J.; Fockens,P.; Meijer,J.W. (Eur J Gastroenterol Hepatol, 1996)