Prevention of malignant neoplasms.
D000328:Adult; D000368:Aged; D002273:Carcinogens; D006801:Humans; D008875:Middle Aged; D009369:Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D009858:Oncogenic Viruses; D011230:Precancerous Conditions / Q000517:prevention & control
D002273:Carcinogens