MORRISON, L M Response of ulcerative colitis to therapy with salicylazosulfapyridine. [electronic resource] - Journal of the American Medical Association Jan 1953 - 366-8 p. digital Publication Type: Journal Article ISSN: 0002-9955 Subjects--Topical Terms: ColitisColitis, Ulcerative--therapySulfanilamideSulfanilamidesSulfasalazineSulfonamides