1. Clinical pharmacokinetics of sulfasalazine;Das;Clin Pharmacokinet,1976
2. Absorption, enterohepatic circulation and excretion of 5-aminosalicylic acid in rats;Shafii;Am J Gastroenterol,1982
3. The role of the colon in the metabolism of salicylazosulfapyridine;Das;Scand J Gastroenterol,1974
4. The role of intestinal bacteria in the metabolism of salicylazosulfapyridine and its metabolites;Peppercorn;J Pharmacol Exp Ther,1972
5. Salicylazosulfapyridine in inflammatory bowel disease;Das;Am J Dig Dis,1975