Thrombolysis in brain ischemia (TIBI) transcranial flow grades predict clinical severity, early recovery, and mortality in patients treated with intravenous tissue plasminogen activator. - Demchuk,A.M.; Burgin,W.S.; Christou,I.; Felberg,R.A.; Barber,P.A.; Hill,M.D.; Alexandrov,A.V. (Stroke, 2001)