Ginsenoside Rg1 attenuates dopamine-induced apoptosis in PC12 cells by suppressing oxidative stress. - Chen,X.C.; Zhu,Y.G.; Zhu,L.A.; Huang,C.; Chen,Y.; Chen,L.M.; Fang,F.; Zhou,Y.C.; Zhao,C.H. (Eur J Pharmacol, 2003)