Authors
Motohiko Muramatsu
Central Research Institute, The Japan Tobacco and Salt Public Corporation, Yokohama, Japan
Setsuko Umemura
Central Research Institute, The Japan Tobacco and Salt Public Corporation, Yokohama, Japan
© 2014 Motohiko Muramatsu, Setsuko Umemura, published by Institut für Tabakforschung GmbH
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License.