Home High-Flow Oxygen Therapy Should Be Considered in Patients With COPD and Chronic Respiratory Failure Manel Luján;

Home High-Flow Nasal Cannula Oxygen Therapy for Stable Hypercapnic COPD: So Far, So Good José Luis Lopez-Campos; Candelaria Caballero Eraso;

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;