Effect of Treadmill Exercise Using 80% Intensity of Six Minute Walk Test on Walking Distance and Quality of Life in Moderate Stage Chronic Obstructive Pulmonary Disease Patients. MKB [Internet]. 2016 Jun. 29 [cited 2026 Jul. 6];48(2):105-11. Available from: https://beta.unpadmedjournals.id/index.php/mkb/article/view/764