Pokharel Y, Wei J, Hira RS, Kalra A, Shore S, Kerkar PG, Kumar G, Risch S, Vicera V, Oetgen WJ, Deswal A, Turakhia MP, Glusenkamp N, Virani SS. Guideline-Directed Medication Use in Patients With Heart Failure With Reduced Ejection Fraction in India: American College of Cardiology's PINNACLE India Quality Improvement Program. Clin Cardiol. 2016 Mar; 39(3):145-9.