Swathi, G. , .P, A.C. , Apparao, P. , Kiranprakash, P. and Nityal, A. 2015. EFFECTIVENESS OF INTERVAL EXERCISE VERSUS CONTINUOUS EXERCISE TO IMPROVE EXERCISE TOLERANCE IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE SUBJECTS. International Journal of Physiotherapy. 2, 6 (Dec. 2015), 1070–1076. DOI:https://doi.org/10.15621/ijphy/2015/v2i6/80770.