Hassan SH, Sheikh SA, Munfeat F. SPIROMETRY AND VITAL PARAMETERS IN ASSESSMENT OF ASTHMA AND COPD IN RURAL POPULATION OF KARACHI. Pak J Chest Med [Internet]. 2015Jun.15 [cited 2026May12];13(1). Available from: https://www.pjcm.net/index.php/pjcm/article/view/188