Takenaka K, Sakamoto T, Amano K, Oku J, Fujinami K, Murakami T, Toda I, Kawakubo K, Sugimoto T
Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo, Japan.
Am J Cardiol. 1988 May 1;61(13):1140-3. doi: 10.1016/0002-9149(88)90149-x.