β-Carotene concentration in buccal mucosal cells with and without dysplastic oral leukoplakia after long-term β-carotene supplementation in male smokers

To measure the beta-carotene concentration in buccal mucosal cells in smoking men who had received long-term beta-carotene (BC) supplementation in a controlled trial. To assess the association of cellular BC on the prevalence of dysplasia in oral leukoplakia. An end-of-trial examination of a part of...

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