Multiple factors in carcinogenesis.
D000367:Age Factors; D000818:Animals; D002274:Carcinogens, Environmental / Q000633:toxicity*; D003043:Cocarcinogenesis; D003466:Cultural Characteristics; D005796:Genes; D006262:Health; D006801:Humans; D012107:Research Design
D002274:Carcinogens, Environmental