title: A new direction in preventive oncology: chemoprevention.
mesh_terms: D000328:Adult; D001205:Ascorbic Acid / Q000494:pharmacology / Q000627:therapeutic use; D002118:Calcium / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004358:Drug Therapy; D004509:Education, Nursing, Continuing; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000517:prevention & control*; D009859:Oncology Nursing / Q000193:education; D012106:Research; D012176:Retinoids / Q000494:pharmacology / Q000627:therapeutic use; D012643:Selenium / Q000009:adverse effects / Q000627:therapeutic use; D013629:Tamoxifen / Q000627:therapeutic use; D014801:Vitamin A / Q000627:therapeutic use; D014807:Vitamin D / Q000627:therapeutic use; D014810:Vitamin E / Q000627:therapeutic use
chemical_list: D012176:Retinoids; D013629:Tamoxifen; D014801:Vitamin A; D014807:Vitamin D; D014810:Vitamin E; D005492:Folic Acid; D012643:Selenium; D001205:Ascorbic Acid; D002118:Calcium