[Biological aspects and perspectives applicable to the chemoprevention of cancer of the upper respiratory-digestive tract].

Abstract

After defining chemoprevention a description is given of the phases of differentiation in normal epithelial cells and the features of proliferation in neoplasias developing in this epithelium. The latest studies on carcinogenesis indicate various types of prevention with which one can alter this transformation process. Epidemiological studies have shown… (More)

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