Wiper Andrew James, Schmitt Matthias, Schofield Ian, Roberts David H
Blackpool Victoria Hospital, Cardiology, Whinney Heys Road, Blackpool, Lancashire FY3 8NR, UK.
Eur J Echocardiogr. 2006 Oct;7(5):405-6. doi: 10.1016/j.euje.2006.02.010. Epub 2006 Apr 17.