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PDFSpecial communication
Electronic cigarette use intensity measurement challenges and regulatory implications
- Correspondence to Dr Eric Soule, East Carolina University, Greenville, NC 27858, USA; soulee18{at}ecu.edu
Citation
Electronic cigarette use intensity measurement challenges and regulatory implications
Publication history
- Received January 13, 2021
- Revised April 19, 2021
- Accepted April 20, 2021
- First published May 31, 2021.
Online issue publication
December 14, 2022
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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.