Apoptosis in HepG2 cells induced by Pteris semipinnata extract 5Finvolves p53 activation and VEGF inhibition Study on antidiabetic effect of aqueous extract from Pulsatilla chinensis Studies on quality standard of PsL 5F injections ROS is not involved in induction of cell death by Ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic-acid in HepG2 cells Effects of 5F on IΚKβ,IΚB,p65,and p50 mRNA expression of non-small lwy cancer NCI-H460 cells