A sesquiterpene, dehydrocostus lactone, inhibits the expression of inducible nitric oxide synthase and TNF-alpha in LPS-activated macrophages - Lee,H.J.; Kim,N.Y.; Jang,M.K.; Son,H.C.; Kim,K.M.; Sohn,D.H.; Lee,S.H.; Ryu,J-H. (Planta Medica, 1999)