| oral lesions, genotoxicity and nitrosamines in betel quid chewers with no obvious increase in oral cancer risk. | a link between the generation of areca nut-related n-nitrosamines in the saliva, the induction of genotoxic damage in the oral mucosa, as judged by an increase in micronucleated exfoliated cells (mec), and a low incidence of oral cancer was studied in 2 population groups characterized by their habit of chewing quids without tobacco: guamanians, who chew areca nuts (areca catechu) with or without the addition of betel leaf (piper betle); taiwanese, who use areca nut, betel leaf or inference and s ... | 1986 | 3697952 |