Q： What’s it like being a clown？　　 Clown： Well， for me， being a clown is probably the best job in the world. I’ve wanted......

目的：探讨三维时间分辨率对比剂动力成像(3D TRICKS MRA)在后循环缺血诊断中的应用。材料与方法采用3.0T高场强磁共振检查仪，对我院......