Saeedi, Ilyas, and Nusrat Ilyas. “Effect of Oral and Inhaled Cetirizine in Mild Asthamtic Patients”. Journal of Postgraduate Medical Institute 17, no. 1 (September 23, 2011). Accessed April 26, 2024. https://www.jpmi.org.pk/index.php/jpmi/article/view/801.