Occurrence of Hemispheric and Retinal Ischemia in Atrial Fibrillation Compared with Carotid Stenosis
Stroke 33:1963-1968, Anderson,D.C.,et al, 2002
Further Observations on Cerebral or Retinal Ischemia in Patients with Right-Left Intracardiac Shunts
Arch Neurol 44:740-743, Biller,J.,et al, 1987