From: 1, Description of Smokeless Tobacco Practices
Smokeless Tobacco and Some Tobacco-specific N-Nitrosamines.
IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, No. 89.
IARC Working Group on the Evaluation of Carcinogenic Risks to Humans.
Lyon (FR): International Agency for Research on Cancer; 2007.
©International Agency for Research on Cancer, 2007.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.