Effects of Danshen on number and activity of endothelial progenitor cells of patients with Hypercholesterolemia Effects of Astragalus membranaceus and Panax notoginseng on the transformation of bone marrow stem cells and proliferation of EPC in vitro Effects of Compound Salvia injection on number and activity of endothelial progenitor cells Effects of Danshensu on function of EPCs which were damaged by Ox LDL  and study its possible mechanism Effects of puerarin on number and activity of endothelial progenitor cells from peripheral blood