SREELETHA, Arunima. Effect of balloon therapy v/s spirometry in promotion of respiratory function in children with respiratory infection. International Journal of Nursing Research, [S. l.], v. 2, n. 1, p. 123–132, 2023. Disponível em: https://innovationaljournals.com/index.php/ijnr/article/view/14. Acesso em: 3 oct. 2025.