Sohn D W, Chung W Y, Chai I H, Zo J H, Lee M M, Park Y B, Choi Y S, Lee Y W
Clinical Research Institute and Division of Cardiology, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea.
Am J Cardiol. 2001 Apr 1;87(7):933-6. doi: 10.1016/s0002-9149(00)01546-0.