The Relationship Between Blood Urea Nitrogen to Creatinine Ratio and Severe Acute Exacerbation of COPD Patients: A Propensity Score Matching Study

Long Z, Zhu T, Zhou Y, Xiang Z, Zeng Q, Qiu Y, Hu J, Wang Y

International Journal of Chronic Obstructive Pulmonary Disease 2024, 19:2529-2543

Published Date: 25 November 2024