Annals of Internal Medicine
Optional items include filters, tips, and a rolling tray to make the process easier
The flavor is added as the tobacco leaf is processed, or released from a flavor capsule embedded in the filter
(price may vary in different states)
Paul, MN, pp 9091 Acknowledgements The research projects on tobamoviruses in the authors laboratories are supported in part by the Research Program on Development of Innovative Technology Grants (JPJ007097) from the Project of the Bio-oriented Technology Research Advancement Institution (BRAIN) to KI, AK, and MI
The range is broad because the level of nicotine depends on many different factors, such as how the tobacco is grown and processed, the size of the cut of the leaves, and the pH of the product