Qamar, Ambreen, Masood Anwar Qureshi, Shazia Nazar, Saifullah Baig, Wajiha Iffat, and Muhammad Owais. “Physical Activity and Apnoea-Hypopnea Index in Obstructive Sleep Apnoea”. Pakistan Journal of Physiology 15, no. 3 (November 26, 2019): 67–70. Accessed April 23, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/1116.