MKHIZE, T L; ZURBA, L B; MASEKELA, R. An evaluation of spirometric reference equations for detecting obstructive airway disease in South African children: A cohort study. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 31, n. 4, p. e3189, 2025. DOI: 10.7196/AJTCCM.2025.v31i4.3189. Disponível em: https://samajournals.co.za/index.php/ajtccm/article/view/3189. Acesso em: 10 may. 2026.