Kamal, M.; Naeem, A.; Taqweem, M. A.; Salahuddin, G.; Muhammad, A.; Khan, Z. U. EFFECTIVENESS AND TOLERABILITY OF TOCILIZUMAB IN PATIENTS WITH RHEUMATOID ARTHRITIS REFRACTORY TO CONVENTIONAL DISEASE MODIFYING ANTI RHEUMATIC DRUGS THERAPY. J Postgrad Med Inst 2020, 34.