
A Brief and Effective Questionnaire for COPD Screening in High-Altitude Areas
Jia Cui,1 Yuxia Wang,1 Yaqi Tong,1 Yixuan Liao,1 Yan Liu,1 Di Chai,1 Zhenzhen Xing,2 Huanyu Long,3 Yanfei Guo1 1Department of Respiratory and Critical Care Medicine, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of …