Estrogenic Activity of the Phytoestrogens Naringenin, 6-(1,1-Dimethylallyl)naringenin and 8-Prenylnaringenin - Zierau, Oliver; Gester, Sven; Schwab, Pia; Metz, Peter; Kolba, Susanne; Wulf, Marina; Vollmer, Günter (Planta Medica, 2002)