Matsumoto T, Imai C, Tozawa M, Tomori M, Kaseda S, Kimura Y, Kawazoe N, Fukiyama K
Third Department of Internal Medicine, University of The Ryukyus, School of Medicine, Okinawa, Japan.
Am Heart J. 1992 Oct;124(4):1098-100. doi: 10.1016/0002-8703(92)91005-l.