Parimi, V. P., J. Jain, R. Varaprasad, and L. Rajasekhar. “Incidence of Cardiac Conduction Disorders in Patients With Rheumatic Disease Receiving Hydroxychloroquine”. International Journal of Basic & Clinical Pharmacology, vol. 4, no. 3, Jan. 2017, pp. 565-7, doi:10.18203/2319-2003.ijbcp20150041.