Ultrasound Evaluation of Diaphragmatic and Intercostal Muscle Function as an Indicator of COPD Severity: A Prospective Cross-Sectional Study

Dong Z, Zhao M, Zheng S, Gu H, Cao N, Sun X, Ge J, Yan X, Ye J, Huang B

International Journal of Chronic Obstructive Pulmonary Disease 2025, 20:4115-4128

Published Date: 25 December 2025