title: [letter].
authors.forename: F F
authors.initials: FF
authors.lastname: Kadlubar
authors.forename: W W
authors.initials: WW
authors.lastname: Huber
mesh_terms: D016588:Anticarcinogenic Agents / Q000494:pharmacology*; D018890:Chemoprevention; D004032:Diet; D006801:Humans; D007093:Imidazoles / Q000378:metabolism / Q000633:toxicity; D009369:Neoplasms / Q000453:epidemiology; D012307:Risk Factors; D014801:Vitamin A / Q000494:pharmacology; D019207:beta Carotene / Q000494:pharmacology
chemical_list: D016588:Anticarcinogenic Agents; D007093:Imidazoles; D019207:beta Carotene; D014801:Vitamin A; C049584:2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine