scholarly journals Hospitalization increases while economic status deteriorates in late stages of chronic obstructive pulmonary disease: the Korean National Health and Nutrition Examination Survey for 2007–2015

2021 ◽  
Vol 13 (4) ◽  
pp. 2160-2168
Author(s):  
Hyung Koo Kang ◽  
Jae-Woo Jung ◽  
Min-Jong Kang ◽  
Deog Kyeom Kim ◽  
Hayoung Choi ◽  
...  
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