Jahangir Khan, Muhammad Salman, and Maheen Khan , Trans., “Association between Air Pollution Exposure and the Prevalence of Chronic Obstructive Pulmonary Disease in Urban versus Rural Populations.: Original Article ”, J Pak Int Med Coll, vol. 1, no. 1, pp. 1–7, Jan. 2025, doi: 10.64911/ws709m46.