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Trends in e-cigarette brands, devices and the nicotine profile of products used by youth in England, Canada and the USA: 2017–2019
- Correspondence to Dr David Hammond, School of Public Health & Health Systems, University of Waterloo, Waterloo, Ontario, Canada; dhammond{at}uwaterloo.ca
Citation
Trends in e-cigarette brands, devices and the nicotine profile of products used by youth in England, Canada and the USA: 2017–2019
Publication history
- Received November 17, 2020
- Revised March 18, 2021
- Accepted April 5, 2021
- First published June 7, 2021.
Online issue publication
December 14, 2022
Article Versions
- Previous version (7 June 2021).
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© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.