Cytochrome P450 2A6 Phenotyping Using Dietary Caffeine Salivary Metabolite Ratios and Genotyping Using Blood on Storage Cards in Non-smoking Japanese Volunteers
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Background: A simple method of genotyping and phenotyping cytochrome P450 2A6 (CYP2A6) was previously reported using individual blood samples and urinary caffeine metabolite ratios of 1,7-dimethyluric acid (17U) to 1-methylxanthi... ...
