Initiation of chemical carcinogenesis requires cell proliferation.
D000818:Animals; D002273:Carcinogens / Q000494:pharmacology*; D002455:Cell Division / Q000187:drug effects; D006498:Hepatectomy; D008099:Liver / Q000166:cytology / Q000187:drug effects; D008297:Male; D008770:Methylnitrosourea / Q000494:pharmacology; D009369:Neoplasms / Q000139:chemically induced*; D010641:Phenotype; D051381:Rats; D013997:Time Factors
D002273:Carcinogens; D008770:Methylnitrosourea