T. Skjarpe

Real-time simultaneous triplane contrast echocardiography gives rapid, accurate, and reproducible assessment of left ventricular volumes and ejection fraction: a comparison with magnetic resonance imaging.

Sigmund Frigstad, S. Frigstad, P. A. Steen, 2006, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Quantitative adenosine real-time myocardial contrast echocardiography for detection of angiographically significant coronary artery disease.

H. Torp, S. Frigstad, R. Wiseth, 2006, Journal of the American Society of Echocardiography.

Quantification of resting myocardial blood flow velocity in normal humans using real-time contrast echocardiography. A feasibility study

S. Slørdahl, S. Frigstad, S. Malm, 2005, Cardiovascular ultrasound.

Effects of ultrasound contrast during tissue velocity imaging on regional left ventricular velocity, strain, and strain rate measurements.

A. Støylen, H. Torp, S. Frigstad, 2006, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Quantification of resting myocardial blood flow velocity in normal humans using real-time contrast echocardiography. A feasibility study

S. Frigstad, S. Malm, T. Skjarpe, 2005, Cardiovascular ultrasound.