The effect of modification of inhaler spacer’s visual user guideline on the correct use of the inhaler spacer . Annals of Medical Research, [S. l.], v. 25, n. 4, p. 0747–0750, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/1091. Acesso em: 13 mar. 2025.