Timing of spontaneous recanalization and risk of hemorrhagic transformation in acute cardioembolic stroke .3 .马欣,贾建平.心源性脑栓塞的溶栓治疗.中国脑血管病杂志,2006,3:385-387 .Hyperdense middle cerebral artery sign and outcome after intravenous thrombolysis for acute ischemic ......