Is it a Stroke?
BMJ 350:h56, Hankey, G.J. & Blacker, D.J., 2015
Is This Patient Having a Stroke?
JAMA 293:2391-2402, Goldstein,L.B. &Simel,D.L., 2005
Diagnostic Accuracy of Stroke Referrals from Primary Care, Emergency Room Physicians, and Ambulance Staff Using the Face Arm Speech Test
Stroke 34:71-76, Harbison,J.,et al, 2003