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Association between dual use of e-cigarette and cigarette and chronic obstructive pulmonary disease: an analysis of a nationwide representative sample from 2013 to 2018

Crossref DOI link: https://doi.org/10.1186/s12890-021-01590-8

Published Online: 2021-07-13

Published Print: 2021-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Kim, Taeyun

Kang, Jihun
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Text and Data Mining valid from 2021-07-13

Version of Record valid from 2021-07-13
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Article History

Received: 20 March 2021

Accepted: 4 July 2021

First Online: 13 July 2021

Declarations

:

: The study and protocol were approved by the Institutional Review Board of Kosin University Gospel Hospital (KUGH no. 2021-02-007). This study was conducted in accordance with the Declaration of Helsinki. All procedures were performed in accordance with the relevant guidelines and regulations. Informed consent was waived due to the retrospective nature of this study, and the approval was gained by above mentioned IRB.

: Not applicable.

: The authors have declared that no competing interests exist.

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