1. a new sulfanilamide preparation;Salazopyrin, Svartz N.;Acta Med Scand,1942
2. The treatment of rheumatic polyarthritis with acid azo compounds;Svartz, N.;Rheumatism,1948
3. Salicylazosulphapyridine (salazopyrin or azopyrin) in rheumatoid arthritis and experimental polyarthritis;Kuzell, W.C.; Gardner, G.M.;California Medicine,1950
4. Salazopyrin in the treatment of rheumatoid arthritis;Sinclair, R.J.G.; Duthie, J.J.R.;Ann Rheum Dis,1948
5. Sulphasalazine in rheumatoid arthritis;McConkey, B.; Amos, R.S.; Durham, S.;Br MedJ,1980