Anselme F, Frederiks J, Boyle N G, Papageorgiou P, Josephson M E
Harvard Thorndike Electrophysiologic Institute, Beth Israel Hospital, Boston, Massachusetts 02215, USA.
Pacing Clin Electrophysiol. 1996 Jan;19(1):115-9. doi: 10.1111/j.1540-8159.1996.tb04800.x.