Manita M, Kaneko Y, Taniguchi Y, Nakajima T, Ito T, Kurabayashi M, Nagai R
Second Department of Internal Medicine, Gunma University School of Medicine, Maebashi, Japan.
Pacing Clin Electrophysiol. 2001 Feb;24(2):231-4. doi: 10.1046/j.1460-9592.2001.00231.x.