Sanaullah, S. Gul, N. Faiz, Z. B. Durrani, M. Khan, and S. Syed. “Functional Independence and Physical Activity Levels in Patients With Chronic Obstructive Pulmonary Disease”. Foundation University Journal of Rehabilitation Sciences, vol. 6, no. 1, Jan. 2026, pp. 29-35, doi:10.33897/fujrs.v6i1.526.