Jehangir, Fatima, Anusheh Zia, Hamza Syed, and Amin Arshad. “Asthma in Patients with Persistent Cough: A Cross-Sectional Analysis from a Primary Care Center in Karachi”. Journal of the Dow University of Health Sciences (JDUHS) 13, no. 2 (July 17, 2019): 83–89. Accessed May 15, 2024. https://www.jduhs.com/index.php/jduhs/article/view/791.