Shivkumar Kalyanam, Murali Narayana S, Krishnan Subramaniam C
Cardiac Electrophysiology Section, Division of Cardiology, Department of Medicine, University of Iowa Hospitals and Clinics, Iowa City, USA.
J Nucl Cardiol. 2002 Mar-Apr;9(2):206-14. doi: 10.1067/mnc.2002.122763.