article_metadata: Yewon Kim Kyungyong Jung Ji Young Ryu Dae Hwan Kim Sangyoon Lee
article_metadata: 10.1186/s40557-015-0074-z
article_metadata: Ann Occup Environ Med
article_metadata: 2015 Dec 11;27:26.
article_metadata: chronic obstructive pulmonary disease exercise stress test fitness to work
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/26693026/
article_metadata: Case Reports
article_metadata: PMC4676121
article_metadata: 26693026
article_metadata: A case of fitness to work in a worker with COPD using the exercise stress test
article_metadata: 2015