Heyden López, Franklin, and Derby Muñoz-Rojas. “Effects of a Physical Conditioning Program on the Mobility and Muscle Strength of Older Adults With Chronic Lung Disease”. MHSalud: Revista en Ciencias del Movimiento Humano y Salud 18, no. 1 (November 26, 2020): 1–13. Accessed April 29, 2024. https://www.revistas.una.ac.cr/index.php/mhsalud/article/view/12964.