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Mashaal Rana, Muhammad Iqbal Tariq, Anayatullah Syed, Uffaq Zeb, Farrakh Tariq, Aqsa Tahir. Effects of Pursed Lip Breathing with Arm Ergometry after Chin Support Position in Copd Patients. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Nov. 4 [cited 2024 Dec. 5];16(09):485. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/2823