MECHANISMS OF FORMATION OF CHRONIC BRONCHIAL OBSTRUCTION COMORBIDITY BACKGROUND IN RURAL POPULATION DEPENDING ON AGE. American Journal of Technology and Applied Sciences, [S. l.], v. 49, p. 182–190, 2026. Disponível em: https://americanjournal.org/index.php/ajtas/article/view/3780. Acesso em: 11 sep. 2026.