Varalakshmi D, .K M, Sumalatha P. EFFECT OF UPPER-LIMB AND THORACIC MUSCLE STRENGTH ON 6-MIN WALK DISTANCE IN COPD PATIENTS. Int J Physio [Internet]. 2014 Jun. 7 [cited 2024 Nov. 22];1(2):54-7. Available from: https://ijphy.com/index.php/journal/article/view/14