Akbar, L. ., Khan, Z. ., Bibi, U., Badshah, R. . and Faiz Anjum (2026) “Association Between Left Ventricular Diastolic Dysfunction and Chronic Obstructive Pulmonary Disease Severity: A Cross-Sectional Study”, Pakistan Journal of Chest Medicine, 32(2), pp. 119–132. Available at: https://pjcm.net/index.php/pjcm/article/view/1150 (Accessed: 24September2026).