Liza Fayyaz, Iman Faryad, Aliya Siddique, Amina Ijaz, and Muhammad Ejaz. “Active Cycle of Breathing Technique Versus Breathing Exercises in Post COVID-19 Patients”. Journal of Health and Rehabilitation Research 5, no. 6 (June 30, 2025): 1–7. Accessed March 5, 2026. https://jhrlmc.com/index.php/home/article/view/1926.