Transcranial Doppler in the manasemerit of extracranial cerebravascular disease: implication in diagnosis and monitoring .2 Schneider P,et al. J Vasc Surg . 1988
Transcranial Doppler in the manasemerit of extracranial cerebravascular disease: implication in diagnosis and monitoring .2 Schneider P,et al. J Vasc Surg . 1988