Azambuja, Aline C. M, Milene A Souza, Eduarda P Ranzoni, Juliana S Wioppiold, Lizia Marcela P Muzykant, Pricila O Costa, Cristiane B.E Trevisan, and Laura J Santos. “Volumetric Incentive Spirometer and Positive Pressure After Cardiac Surgery”. Journal of Respiratory and CardioVascular Physical Therapy 4, no. 1 (September 19, 2016): 21–28. Accessed April 30, 2024. https://periodicos.ufrn.br/revistadefisioterapia/article/view/7943.