New classifications of COPD severity based on Impulse Oscillometry: a SAIO grade base on ECOPD cohort in China Lifei Lu; Qi Wan; Gaoying Tang; Fan Wu; Zhishan Deng; Jieqi Peng; Cuiqiong Dai; Kunning Zhou; Xiaohui Wu; Shuqing Yu; Yongqing Huang; Changli Yang; Shengtang Chen; Pixin Ran; Yumin Zhou;

Clinical Characteristics and 2-Year Outcomes of Chronic Obstructive Pulmonary Disease Patients With High Blood Eosinophil Counts: A Population-based Prospective Cohort Study in China Xiaohui Wu; Zhishan Deng; Fan Wu; Youlan Zheng; Peiyu Huang; Huajing Yang; Ningning Zhao; Cuiqiong Dai; Jieqi Peng; Lifei Lu; Kunning Zhou; Qi Wan; Gaoying Tang; Shengtang Chen; Yongqing Huang; Changli Yang; Shuqing Yu; Pixin Ran; Yumin Zhou;