Ahmed, Faheem, et al. “EFFECTIVENESS OF PULMONARY REHABILITATION ON EXERCISE TOLERANCE IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE AND CARDIAC COMORBIDITIES”. Insights – Journal of Health and Rehabilitation, vol. 3, no. 9, Sept. 2025, pp. 93-100, https://doi.org/10.71000/vqaz0z24.