Antiproliferative molecular mechanisms of components in roots and rhizomes of Salvia miltiorrhiza on fibroblasts Antiproliferative molecular mechanisms of components in roots and rhizomes of Salvia miltiorrhiza on fibroblasts Influence of neferine on proliferation of hypertrophic scar fibroblasts in vitro Observation on Inhibitory Effect of Tetrandrine on Growth of Human Skin Fibroblast in Vitro Screening of constituents with antiproliferative activity in Panax notoginseng and their underlying mechanisms