Impact of Incentive Spirometry in COPD Exacerbations: A Comparative Study. Journal of Institute of Medicine Nepal, [S. l.], v. 46, n. 3, 2024. DOI: 10.59779/jiomnepal.1333. Disponível em: https://jiomnepal.edu.np/index.php/jiomnepal/article/view/1333.. Acesso em: 18 apr. 2025.