Spirometry in selected clinical situations. Journal of Medical Science, Poznań, Poland, v. 88, n. 2, p. 112–116, 2019. DOI: 10.20883/jms.339. Disponível em: https://horkruks.ump.edu.pl/index.php/JMS/article/view/339. Acesso em: 17 aug. 2025.