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Mishal Sabir, Rizwanullah, Anna Bretches, Adela Damm, Shivani Shah, Rimsha Kausar. EFFECTIVENESS OF ACTIVE CYCLE OF BREATHING TECHNIQUE (ACBT) WITH AND WITHOUT ACAPELLA IN IMPROVING AIRWAY CLEARANCE, DYSPNEA, AND PULMONARY FUNCTION IN COPD PATIENTS: A RANDOMIZED CONTROLLED TRIAL. J Popl Ther Clin Pharmacol [Internet]. 2025 Feb. 17 [cited 2025 Sep. 13];32(1):1018-29. Available from: https://www.jptcp.com/index.php/jptcp/article/view/9327