Kaur, A., S. B. Dutta, A. Singh, A. Varma, M. A. Beg, and S. Vishal. “Comparative Evaluation of Efficacy and Safety of Methotrexate Either Alone or in Combination With Hydroxychloroquine in Patients Suffering from Rheumatoid Arthritis”. International Journal of Basic & Clinical Pharmacology, vol. 6, no. 8, July 2017, pp. 1996-00, doi:10.18203/2319-2003.ijbcp20173285.