Bibliography
· Horrow MM, Stassi J, Shurman A, Brody
JD, Kirby CL, Rosenberg HK: The
limitations of carotid sonography:
Interpretive and technology-related errors.
AJR 174:189-194, January 2000.
· Stassi J, Horrow MM, Rosenberg HK, Kirby
CL: Carotid ultrasonography:  Interpretive
issues and potential pitfalls.
Ultrasound Quarterly 14: 48-64, 1998.