Short Communication
Efficacy of Montelukast for Prevention of Upper Respiratory Tract Infection in Children: A Randomized, Placebo-Controlled Trial
Fatemeh Dorreh 1 
, Mohammad Hasan Esmaili 1, Parsa Yousefhajian 1, Mahdieh Naziri 1, Aziz Eghbali 2, Bahador Bagheri 3,4 *