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MRTP claim authorisation and General Snus sales in the USA: evidence from a difference-in-differences model
- Correspondence to Dr Alex C Liber, Cancer Prevention and Control Program, Georgetown Lombardi Comprehensive Cancer Center, Washington, DC, USA; alex.liber{at}georgetown.edu
Citation
MRTP claim authorisation and General Snus sales in the USA: evidence from a difference-in-differences model
Publication history
- Received December 7, 2022
- Accepted June 7, 2023
- First published June 21, 2023.
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© Author(s) (or their employer(s)) 2023. No commercial re-use. See rights and permissions. Published by BMJ.