Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Time to first neurological event (stroke, seizure, transient ischemic attack TIA for children with normal transcranial Doppler ultrasound measurements (time averaged mean maximum velocity of < 200 cm/second, non-imaging or < 185 cm/second imaging technique) and with (n=68) and without silent cerebral infarcts (SCIs) on MRI (n=353).
