lafi, Shehab Ahmed, Nidal Albdul-Muhaimen, and shaker Al-charmwindi. 2008. “Association of Some Viral Infections and Asthma: Serological Evidence”. AL-Kindy College Medical Journal 4 (2): 5-12. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/734.