Khubaib Tahir, Arif Qaisrani, Hifza Imtiaz Ahmed and Mahnoor Baloch 2026. Active Cycle of Breathing Technique Versus High-Frequency Chest Wall Oscillation in Pulmonary Function in Adult Chronic Obstructive Pulmonary Disease Patients: A Randomized Clinical Trial. Journal of Health and Rehabilitation Research. 6, 1 (Jan. 2026), 1–11. DOI:https://doi.org/10.61919/jhrr.v6i1.1936.