Internal migration and its association with childhood asthma in Ecuador: a cross-sectional study. Colombia Medica, [S. l.], v. 55, n. 2, p. :e2035929., 2024. DOI: 10.25100/cm.v55i2.5929. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/5929. Acesso em: 11 jan. 2026.