Evaluating efficiency and equity of prevention and control strategies for rheumatic fever and rheumatic heart disease in India: an extended cost-effectiveness analysis oleh Jyoti Dixit, PhD, Shankar Prinja, MD, Gaurav Jyani, MPH, Pankaj Bahuguna, PhD, Ankur Gupta, DM, Rajesh Vijayvergiya, DM, Rajesh Kumar, MD