Epidemiologic evidence for multi-stage theory of carcinogenesis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003110:Colonic Neoplasms / Q000453:epidemiology; D006689:Hodgkin Disease / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000453:epidemiology; D008875:Middle Aged; D008954:Models, Biological; D009369:Neoplasms / Q000453:epidemiology*; D010524:Peripheral Nervous System Neoplasms / Q000453:epidemiology; D013274:Stomach Neoplasms / Q000453:epidemiology