血清miR-491-5p和miR-21-5p对急性缺血性卒中患者静脉溶栓后出血转化的预测价值 Predictive Value of Serum miR-491-5p and miR-21-5p on Hemorrhagic Transformation after Intravenous Thrombolysis in Acute Ischemic Stroke Patients - 王笑寒1，潘燕1，张小林1，刘坦2 (WANG Xiaohan1, PAN Yan1, ZHANG Xiaolin1, LIU Tan2 ) (Zhongguo cuzhong zazhi, 2024)