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;

Impaired Ventilatory Efficiency Identifies High-Risk Mild-to-Moderate Chronic Obstructive Pulmonary Disease Zhishan Deng; Wu Fan; Wan Qi; Cuiqiong Dai; Lu Lifei; Zihui Wang; Kunning Zhou; Wu Xiaohui; Gaoying Tang; Huajing Yang; Jieqi Peng; Suyin Huang; Guannan Cai; Wu Fangyan; Junfeng Lin; Xiaoyu Wang; Changli Yang; Yongqing Huang; Rongchang Chen; Nanshan Zhong; Yumin Zhou; Pixin Ran;

Effect of carbocysteine on exacerbations and lung function in patients with mild-to-moderate chronic obstructive pulmonary disease: a multicentre, double-blind, randomised, placebo-controlled trial Yumin Zhou; Fan Wu; Haiqing Li; Zhishan Deng; Li Lin; Hong Huang; Haiyan Zhao; Yiran Wang; Lingwei Wang; Qijian Chen; Shan Cai; Zhiyi He; Yinghua Ying; Peiyu Huang; Heshen Tian; Jieqi Peng; Shan Xiao; Xiang Wen; Huajing Yang; Youlan Zhen; Zihui Wang; Ningning Zhao; Lifei Lu; Jianwu Xu; Qiuyue Wang; Pixin Ran;