Changes in Middle Cerebral Artery Blood Velocity in Uremic Patients after HemodialysisStroke 22:1508-1511, Postiglione,A.,et al, 1991
Cerebrovascular Ischemia Associated with Lupus AnticoagulantStroke 18:257-263, Levine,S.R.&Welch,K.M.A., 1987