Dobutamine stress test fast protocol: diagnostic accuracy and security

Prognostic value of non-positive exercise echocardiography in the patients submitted to percutaneous coronary intervention

The use of myocardial strain imaging in the detection of coronary artery disease during stress echocardiography

Preserved O2 extraction exercise response in heart failure patients with chronotropic insufficiency: evidence for a central cardiac rather than peripheral oxygen uptake limitation

Major determinant of O2 artero-venous difference at peak exercise in heart failure and healthy subjects

Stress echocardiography with contrast perfusion analysis for a more sensitive test for ischemic heart disease