The Effect of Physical Activity Level on Positive Mental Health of Chronic Obstructive Pulmonary Patients. GYMNASIUM, [S. l.], v. 24, n. 2, p. 83–91, 2023. DOI: 10.29081/gsjesh.2023.24.2.05. Disponível em: https://gymnasium.ub.ro/journal/article/view/688. Acesso em: 10 sep. 2025.