title: Biologic modifiers and chemoprevention of cancer of the oral cavity.
authors.forename: W J
authors.initials: WJ
authors.lastname: Richtsmeier
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000517:prevention & control*; D002338:Carotenoids / Q000627:therapeutic use; D002471:Cell Transformation, Neoplastic; D006258:Head and Neck Neoplasms / Q000517:prevention & control*; D006801:Humans; D007155:Immunologic Factors; D015474:Isotretinoin / Q000627:therapeutic use; D007972:Leukoplakia, Oral / Q000628:therapy*; D009062:Mouth Neoplasms / Q000517:prevention & control*; D019207:beta Carotene
chemical_list: D007155:Immunologic Factors; D019207:beta Carotene; D002338:Carotenoids; D015474:Isotretinoin