MATTHYS, Heinrich. Fit for high altitude: are hypoxic challenge tests useful?. Multidisciplinary Respiratory Medicine, [S. l.], v. 6, n. 1, 2019. DOI: 10.4081/mrm.2011.429. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/429. Acesso em: 12 may. 2025.