Inhibitory effect of euphol, a triterpene alcohol from the roots of Euphorbia kansui, on tumor promotion by 12-O-tetradecanoylphorbol-13-acetate in two-stage carcinogenesis in mouse skin - Yasukawa,K.; Akihisa,T.; Yoshida,Z.Y.; Takido,M. (J Pharm Pharmacol, 2000)