Sial, J. A., M. T. Farman, M. K. Batra, and M. Karim. “ADHERENCE TO SECONDARY PROPHYLAXIS OF RHEUMATIC FEVER IN PATIENTS WITH RHEUMATIC HEART DISEASE IN RURAL AREAS”. Pakistan Heart Journal, vol. 51, no. 3, Nov. 2018, doi:10.47144/phj.v51i3.1538.