N. H. Hihoriya, P. R. Shelat, J. D. Kagathara, and S. Kumbar, “A prospective, open labeled, comparative study to assess the efficacy of montelukast as add on to β2-agonist and inhaled corticosteroid in patients of moderate persistent asthma”, Int J Basic Clin Pharmacol, vol. 1, no. 2, pp. 91–101, Feb. 2017.