2Hennerici M, Meairs S. Imaging arterial wall disease [ J ]. Cerebrovasc Dis,2000,10(5) :9 - 20.
3Ludwig M, Pet zinger A, Buquoy M, et al. Intima media thickness of the carotid arteries: early pointer to arterioscle-rosis and therapeutic endpoint [J]. Ultraschall Med,2003, 24(3) :162 - 174.