Daniel H. O'Leary

Multicenter validation study of real-time ultrasonography, arteriography, and pathology: pathologic evaluation of carotid endarterectomy specimens.

A S Berson, J. Ricotta, M. Bond, 1988, Stroke.

A multicenter validation study of Doppler ultrasound versus angiography.

J. Ricotta, L. Chambless, J. Toole, 1991, Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association.

Measurement variability of carotid atherosclerosis: real-time (B-mode) ultrasonography and angiography.

F. A. Bryan, B. Goldberg, J. Toole, 1987, Stroke.