Wani, W. A., S. A. Dar, M. Nazir, and I. Ahmad. “Comparative Study of Inhaled Steroids Versus Inhaled Steroids Plus Long Acting Beta Agonists in Childhood Asthma: A Randomized Controlled Study”. International Journal of Research in Medical Sciences, vol. 8, no. 6, May 2020, pp. 2162-6, doi:10.18203/2320-6012.ijrms20202260.