A Sesquiterpene, Dehydrocostus Lactone, Inhibits the Expression of Inducible Nitric Oxide Synthase and TNF-α in LPS-Activated Macrophages - Lee, Hwa Jin; Kim, Nam Yi; Jang, Mi Kyung; Son, Haeng Ja; Kim, Kyung Mi; Sohn, Dong Hwang; Lee, Soo Hwan; Ryu, Jae-Ha (Planta Medica, 1999)