A Comparative Study of Pulmonary Function Tests of Roadside Vendors with Relation to Duration of Job. Annals of Medical and Health Sciences, [S. l.], v. 1, n. 1, p. 4–12, 2025. Disponível em: https://umedpress.com/index.php/AMHS/article/view/46. Acesso em: 2 nov. 2026.