Ghorani V, Marefati N, Shakeri F, Rezaee R, Boskabady M, Boskabady MH. The Effects of Allium Cepa Extract on Tracheal Responsiveness, Lung Inflammatory Cells and Phospholipase A2 Level in Asthmatic Rats. Iran J Allergy Asthma Immunol. 2018;17(3):221-231.