JENG, Y.-C.; CHEN, K.-H. Assessing the Efficacy of Air Cleaning Machines in Chronic Obstructive Pulmonary Disease (COPD): A Systematic Review. Journal of Asian Medical Students’ Association, Kuala Lumpur, Malaysia, 2025. Disponível em: https://jamsa.amsa-international.org/index.php/main/article/view/761. Acesso em: 22 jan. 2026.