Bima Aminul Karim. Respiratory Muscle Stretch Gymnastics (RMSG) and Pursed Lip Breathing Exercise (PLB) on Increasing Forced Expiratory Volume 1 (FEV1) on Patients of Chronic Obstructive Pulmonary Disease. Int. J. of Allied Med. Sci. and Clin. Res. [Internet]. 2020 Aug. 24 [cited 2026 May 2];8(3):547-5. Available from: https://ijamscr.com/ijamscr/article/view/893