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2. Controlled trial of sulphasalazine in maintenance therapy for ulcerative colitis;Misiewicz, J.J.; Lennard-Jones, J.E.; Connell, A.M.; Baron, J.H.; Jones, F.A.;Lancet,1965
3. A controlled therapeutic trial of long-term maintenance treatment of ulcerative colitis with sulphasalazine (Salazopyrin);Dissanayake, A.S.; Truelove, S.C.;Gut,1973
4. Distribution studies of salicylazosulfapyridine and its metabolites;Peppercorn, M.A.; Goldman, P.;Gastroenterology,1973
5. An experiment to determine the active therapeutic moiety of sulphasalazine;AK, Azad Khan; J, Piris; SC, Truelove;Lancet,1977