Khan, A., Ali, M. M., Ayyaz, S. and Hanif, A. (2020) “Obstructive sleep apnea and the role of primary care physicians in its management: a Pakistani perspective”, Pakistan Journal of Chest Medicine, 26(3), pp. 155–158. Available at: http://www.pjcm.net/index.php/pjcm/article/view/660 (Accessed: 17April2026).