beta CaroteneCarotenoidsVitamin EDietary SupplementsVitamin AVitaminsAntioxidantsAscorbic AcidOral Submucous FibrosisDouble-Blind Methodalpha-TocopherolPhycomycesbeta-Carotene 15,15'-Monooxygenasezeta CaroteneSmokingGeranylgeranyl-Diphosphate GeranylgeranyltransferaseCataractRiskIncidenceXanthophyllsTreatment FailureLuteinDietFollow-Up StudiesInterleukin-1betaVitamin A DeficiencyCardiovascular DiseasesFood, FortifiedIntramolecular LyasesMicronutrientsProportional Hazards Modelsbeta 2-MicroglobulinLung NeoplasmsAnimal FeedDaucus carotaPlants, EdibleNutritional StatusNorisoprenoidsFruitZincReceptors, Adrenergic, betaIntegrin beta3Folic AcidRandom AllocationMucoralesAnimal Nutritional Physiological PhenomenaErwiniaOxygenases