Impact of an Improvised System on Preserving Oxygen Supplies in Patients With COVID-19 William Poncin; Lia Baudet; Gregory Reychler; Frédéric Duprez; Giuseppe Liistro; Leila Belkhir; Lucie Pothen; Halil Yildiz; Jean-Cyr Yombi; Julien De Greef;

Association of Forced Expiratory Volume in 0.5s With All-Cause Mortality Risk in Adults Fan Wu; Juncheng Liang; Ranxi Peng; Jie Ou; Shiyu Zhang; Leheng Tang; Qiaorui Zhou; Siman Liao; Yingtong Chen; Xiaozi Guo; Jingxian Chen; Qi Wan; Zihui Wang; Zhishan Deng; Yumin Zhou;

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;