“Physiological Cost Index Among Individuals With Mild to Moderate Chronic Obstructive Pulmonary Disease and Their Compliance With Pulmonary Rehabilitation”. Indian Journal of Physiotherapy and Occupational Therapy - An International Journal, vol. 16, no. 4, Oct. 2022, pp. 69-77, https://doi.org/10.37506/ijpot.v16i4.18708.