Kumawat, P.; Gupta, M. C.; Chaudhry, D. A Comparison of the Efficacy and Safety of Daily Inhaled budesonide/formoterol and As and When Needed Inhaled budesonide/Formoterol Combination in Moderate Persistent Asthma. Int J Basic Clin Pharmacol 2017, 5, 2103-2109.