“Effectiveness of Methotrexate and Salfasalazine Alone Versus Methotrexate and Sulphasalazine Combination in the Treatment of Rheumatoid Arthritis”. Bangladesh Journal of Medicine 26, no. 2 (November 10, 2015): 67–75. Accessed June 26, 2026. https://www.banglajol.info/index.php/BJMED/article/view/25451.