In Vitro Inducible Nitric Oxide Synthesis Inhibitory Active Constituents from Fraxinus rhynchophylla - Kim, Na-Young; Pae, Hyun-Ock; Ko, Yong-Suk; Yoo, Ji-Chang; Choi, Byung-Min; Jun, Chang-Duk; Chung, Hun-Taeg; Inagaki, M; Higuchi, R; Kim, Youn-Chul (Planta Medica, 1999)