P. Aggarwal, R. Kumar, S. Kandpal, D. Gupta, and T. Rai, “ZargisCardioscan™ Aided Heart Murmurs Recognition has high negative predictive values when correlated and validated with Echocardiography: A Potential Dawn for Valvular Heart Disease Prevalence Studies in Rural India”, Nepal J Epidemiology, vol. 4, no. 3, pp. 363–369, Jun. 2014.