“EFFECT OF LOWER LIMBS STRENGTHENING TO IMPROVE BALANCE IN COPD PATIENTS- RANDOMIZED CONTROL TRIAL.: LOWER LIMBS STRENGTHENING TO IMPROVE BALANCE IN COPD”. 2019. VIMS JOURNAL OF PHYSICAL THERAPY 1 (2): 99-104. https://www.vimsptcr.in/index.php/main/article/view/34.