Prevalence of blood eosinophilia in adults with COPD according to the cut-off point. Revista Alergia México, [S. l.], v. 68, n. 3, p. 152–159, 2021. DOI: 10.29262/ram.v67i3.893. Disponível em: https://ojs.revistaalergia.mx/ojs/index.php/ram/article/view/893. Acesso em: 23 sep. 2026.