Hassan, Syed Hafeezul, Sikandar Ali Sheikh, and Farooq Munfeat. “SPIROMETRY AND VITAL PARAMETERS IN ASSESSMENT OF ASTHMA AND COPD IN RURAL POPULATION OF KARACHI”. Pakistan Journal of Chest Medicine 13, no. 1 (June 15, 2015). Accessed May 12, 2026. https://www.pjcm.net/index.php/pjcm/article/view/188.