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. 5, n. 2, p. 6975–6985, 2026. DOI: 10.66021/pakmcr1502. Disponível em: https://pakjmcr.com/index.php/1/article/view/1502. Acesso em: 12 jul. 2026.