From: 4, Results - Carotid Imaging
Effectiveness and Cost-Effectiveness of Echocardiography and Carotid Imaging in
the Management of Stroke.
Evidence Reports/Technology Assessments, No. 49.
Meenan RT, Saha S, Chou R, et al.
Rockville (MD): Agency for Healthcare Research and Quality (US); 2002 Jul.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.