Advances in studies on pharmacological action of main chemical constituent of Curcuma Zedoary in preventing in-stent restenosis Effect of Panax notoginseng saponins on vascular intima hyperplasia and  PCNA expression in rat aorta after balloon angioplasty The experimental study of the effect of tanshinone on artery restenosis in mouse Experimental study of effect of tanshinone on artery restenosis in rat carotid injury model