Diarylheptanoids with In Vitro Inducible Nitric Oxide Synthesis Inhibitory Activity from Alnus hirsuta - Lee, Min-Won; Kim, Na-Young; Park, Myung-Shin; Ahn, Kyoung-Hwan; Toh, Sang-Hak; Hahn, Dug-Ryoung; Kim, Youn-Chul; Chung, Hun-Taeg (Planta Medica, 2000)