C. Doris

A comparison of compression ultrasound with color Doppler ultrasound for the diagnosis of symptomless postoperative deep vein thrombosis.

J. Hirsh, P. Prandoni, A. Cogo, 1997, Archives of internal medicine.

Effects of Ramipril and Vitamin E on Atherosclerosis: The Study to Evaluate Carotid Ultrasound Changes in Patients Treated With Ramipril and Vitamin E (SECURE)

S. Yusuf, J. Bosch, E. Lonn, 2001, Circulation.

Two-dimensional Real-Time Ultrasonic Imaging of the Heart

C. Doris, 1988 .

Study design and baseline characteristics of the study to evaluate carotid ultrasound changes in patients treated with ramipril and vitamin E: SECURE.

S. Yusuf, J. Pogue, E. Lonn, 1996, The American journal of cardiology.