Ackermann Christelle, van Wyk Hendrik Willem Jacobus, Katengua Motona, Doubell Anton Frans
Department of Radiology, Tygerberg Hospital and Stellenbosch University, Cape Town, South Africa.
Eur J Cardiothorac Surg. 2008 May;33(5):927. doi: 10.1016/j.ejcts.2008.02.023. Epub 2008 Mar 19.