Gulati G Singh, Singh S, Arepalli C Dey, Sharma S, Kothari S Sunder, Airan B, Jagia P
Department of Cardiac Radiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.
Clin Radiol. 2008 May;63(5):605-9. doi: 10.1016/j.crad.2007.09.002. Epub 2007 Nov 19.