Correlation of Pathogen and Biomarker Levels with COPD Severity and Exacerbation Frequency. Vascular and Endovascular Review, [S. l.], v. 8, n. 2s, p. 307–309, 2025. Disponível em: https://verjournal.com/index.php/ver/article/view/275. Acesso em: 8 jun. 2026.