A Quasi Experimental Study to Evaluate the Effectiveness Of Pursed Lip Breathing Exercise on Reduction of Dyspnea Among Chronic Obstructive Pulmonary Disease Patients in Selected Hospital in Panipat, Haryana. IJONE [Internet]. 2022 Oct. 17 [cited 2026 Jun. 25];14(4):65-72. Available from: https://medicopublication.com/index.php/ijone/article/view/18685