Mittal, Neha, Rishi Raj, Ebtesam Islam, and Kenneth Nugent. “Pulmonary Rehabilitation Improves Frailty and Gait Speed in Some Ambulatory Patients With Chronic Lung Diseases”. The Southwest journal of medicine 3, no. 12 (October 15, 2015): 2-10. Accessed June 25, 2026. https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/231.