E. Pieper

Negative inotropic effects of recombinant interleukin 2 in patients without left ventricular dysfunction

N. Mulder, R. Tio, E. Vries, 2000, European journal of heart failure.

Additional value of biplane transesophageal echocardiography in assessing the genesis of mitral regurgitation and the feasibility of valve repair.

C. Visser, I. Hellemans, K. Lie, 1995, The American journal of cardiology.

Anticoagulation in pregnant women with mechanical heart valves

E. Pieper, 2012 .

Value of systolic pulmonary venous flow reversal and color Doppler jet measurements assessed with transesophageal echocardiography in recognizing severe pure mitral regurgitation.

J. Tijssen, C. Visser, I. Hellemans, 1996, American Journal of Cardiology.

Usefulness of multiplane transesophageal echocardiography to improve the assessment of severity of mitral regurgitation.

J. Tijssen, C. Visser, K. Lie, 1996, The American journal of cardiology.

Biplane transesophageal color-flow Doppler imaging in assessing severity of mitral regurgitation: influence of hemodynamic circumstances and mechanism of regurgitation.

C. Visser, I. Hellemans, K. Lie, 1996, Journal of cardiothoracic and vascular anesthesia.