Cytotoxic effects of Coptis chinensis and Epimedium sagittatum extracts and their major constituents (berberine, coptisine and icariin) on hepatoma and leukaemia cell growth - Lin,C.C.; Ng,L.T.; Hsu,F.F.; Shieh,D.E.; Chiang,L.C. (Clin Exp Pharmacol Physiol, 2004)