CLAIR试验( Clopidogrel plus Aspirin for Infarction Reduction in Acute Stroke or Transient Ischemic Attack Patients With Large Artery Stenosis and Microembolic Signals , CLAIR )入组新近(末次发病至入组时间& lt .7天)症状性颅内动脉狭窄患者70例,随机接受氯吡格雷联合阿司匹林(氯吡格雷300mg 1次/首日,后续75mg 1 ......