Obesity-Driven Exacerbation of Obstructive Sleep Apnea Severity in COPD: A Cross-Sectional Polysomnographic Study from Pakistan. Body Mass Index and Neck Circumference as Independent Predictors of Apnea Severity in the COPD–OSA Overlap. Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 4, n. 4, p. 2701–2711, 2026. DOI: 10.5281/zenodo.21460047. Disponível em: https://pakjmcr.com/index.php/1/article/view/1502. Acesso em: 31 aug. 2026.