Inhibition of human cytochrome P450 isoforms and NADPH-CYP reductase in vitro by 15 herbal medicines, including Epimedii herba. - Liu,K.H.; Kim,M.J.; Jeon,B.H.; Shon,J.H.; Cha,I.J.; Cho,K.H.; Lee,S.S.; Shin,J.G. (J Clin Pharm Ther, 2006)