Chemical Carcinogenesis Multi-stage Theory of Chemical Carcinogenesis Classification of chemical carcinogens Mechanisms of Chemical Carcinogenesis DNA Damage Induced by Ultimate Carcinogens ◆ DNA RepairChemical Carcinogenesis ◆ Multi-stage Theory of Chemical Carcinogenesis ◆ Classification of chemical carcinogens ◆ Mechanisms of Chemical Carcinogenesis ◆ DNA Damage Induced by Ultimate Carcinogens ◆ DNA Repair