1. Role of prostaglandins in ulcerative colitis. Enhanced production during active disease and inhibition by sulfasalazine;Sharon, P.; Ligumsky, M.; Rachmilewitz, D.; Zor, U.;Gastroenterology,1978
2. Enhanced thromboxane A2 and prostacyclin production by cultured rectal mucosa in prostaglandin-hydroxyacids and leukotrienes. This ulcerative colitis and its inhibition by;Ligumsky, M.; Karmeli, F.; Sharon, P.; Zor, U.; Cohen, F.; Rachmilewitz, D.
3. An experiment to determine the active therapeutic moiety of sulphasalazine;AH, Azad Khan; J, Piris; SC, Truelove;Lancet,1977
4. Effect of sulphapyridine, 5-aminosalicylic acid, and placebo in patients with idiopathic proctitis: a study to determine the active therapeutic moiety of sulphasalazine;vanHees PAM; JH, Bakker; vanTongeren JHM,1980
5. Therapeutic efficacy of sulfasalazine and its metabolites in patients with ulcerative colitis and Crohn's disease;Klotz, U.; Maier, K.; Fischer, C.; Heinkel, K.;N Engl J Med,1980