Tanshinone IIA from Salvia miltiorrhiza Inhibits Inducible Nitric Oxide Synthase Expression and Production of TNF-α, IL-1β and IL-6 in Activated RAW 264.7 Cells - Jang, Seon-Il; Jeong, Seung-Il; Kim, Kang-Ju; Kim, Hyung-Jin; Yu, Hyeon-Hee; Park, Raekil; Kim, Hyung-Min; You, Yong-Ouk (Planta Medica, 2003)