the effectiveness of oral 5-aminosalicylic acid ( 0.5 g t.i.d . ) and of salazosulfapyridine ( 1.0 g t.i.d . ) was compared in a randomized controlled study in two groups with 30 patients each with ulcerative colitis and with crohn 's disease .
C0036078
salazosulfapyridine
C0009324
ulcerative colitis