Langer, R., Sharma, E., Gupta, R., Langer, B., Kumari, R. and Gupta, G. (2017) “Role of lifestyle and psychological variables in erectile dysfunction: a cross-sectional study”, International Journal of Research in Medical Sciences, 5(3), pp. 799–805. doi: 10.18203/2320-6012.ijrms20170439.