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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Ashton H., Watson D. W. Puffing frequency and nicotine intake in cigarette smokers. Br Med J. 1970 Sep 19;3(5724):679–681. doi: 10.1136/bmj.3.5724.679. [DOI] [PMC free article] [PubMed] [Google Scholar]
