Elasfar Abdelfatah A, Sallam Ayman, Lawand Samih, Ibrahim Mohamed F
Department of Adult Cardiology, Prince Salman Heart Center, King Fahad Medical City, Riyadh, Saudi Arabia.
J Card Surg. 2013 Mar;28(2):148-9. doi: 10.1111/jocs.12067. Epub 2013 Jan 24.