Effects of Radix Ginseng and Radix Ophiopogonis extract (SMF) on protein S-nitrosylation in ischemic myocardial tissue Phytoestrogens in application prospect of treatment of myocardial ischemia/reperfusion injury Protective effects of Shexiang Xingnaonin on focal cerebral ischemia/reperfusion injury and mechanism Effect of artemisinin on ischemia/reperfusion injury of isolated rat myocardium