Inhibitory effect of TNF-alpha and IL-8 secretion by pimarane-type diterpenoids from Acanthopanax koreanum - Cai,X.F.; Shen,G.; Dat,N.T.; Kang,O.H.; Kim,J.A.; Lee,Y.M.; Lee,J.J.; Kim,Y.H. (Chem Pharm Bull, 2003)