Transcranial Doppler Monitoring and Causes of Stroke from Carotid Endarterectomy
Stroke 28:685-691, Spencer,M.P., 1997
Paradoxical Embolism as a Cause of Ischemic Stroke of Uncertain Etiology:A Transcranial Doppler Sonographic Study
Stroke 25:771-775, Itoh,T.,et al, 1994