Shimizu K, Miura Y, Meguro Y, Noshiro T, Ohzeki T, Kusakari T, Akama H, Watanabe T, Honma H, Imai Y
Second Department of Internal Medicine, Tohoku University School of Medicine, Sendai, Japan.
Am Heart J. 1992 Jul;124(1):235-9. doi: 10.1016/0002-8703(92)90954-t.