PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Emergency and Critical Care Epidemiology Evidence Based Medicine Public Health Respiratory Medicine Peijing Yan PeerJ Author Summary Epidemiology Evidence Based Medicine Public Health PeerJ Contributions Articles 1 April 3, 2020 Prevalence of chronic obstructive pulmonary disease at high altitude: a systematic review and meta-analysis Huaiyu Xiong, Qiangru Huang, Chengying He, Tiankui Shuai, Peijing Yan, Lei Zhu, Kehu Yang, Jian Liu https://doi.org/10.7717/peerj.8586 PubMed 32280564
