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,S.I.; Jeong,S.I.; Kim,K.J.; Kim,H.J.; Yu,H.H.; Park,R. (Planta Med, 2003)