1. Sulphasalazine and salicylazosulphadimidine in ulcerative colitis;Baron, J.H.; Connell, A.M.; Lennard-Jones, J.E.; Jones, F.A.;Lancet,1962
2. From PhD Thesis 'Salicylazosulphapyridine metabolism in clinical practice';Das, K.M.,1973
3. Acetylation polymorphism of sulphapyridine and its constancy in patients with ulcerative colitis and Crohn's disease;Das, K.M.; Eastwood, M.A.,1973
4. Salazopyrin metabolism in ulcerative colitis;Das, K.M.; Eastwood, M.A.; McManus, J.P.A.; Sircus, W.;Gut,1972
5. Controlled trial of sulphasalazine in the treatment of ulcerative colitis;Dick, A.P.; Grayson, M.J.; Carpenter, R.G.; Petrie, A.;Gut,1964