[Recent development of two-step oncogenic theory].
D002454:Cell Differentiation / Q000187:drug effects*; D002478:Cells, Cultured; D009369:Neoplasms / Q000139:chemically induced*; D010703:Phorbol Esters / Q000494:pharmacology*; D010704:Phorbols / Q000494:pharmacology*
D010703:Phorbol Esters; D010704:Phorbols