Inhibition of Low Density Lipoprotein Oxidation by Tetrahydrofurofuran Lignans from Forsythia suspensa and Magnolia coco - Chen, Chien-Chih; Chen, Hon-Yi; Shiao, Ming-Shi; Lin, Yun-Lian; Kuo, Yueh-Hsiung; Ou, Jun-Chih (Planta Medica, 1999)