Gal D, Steg P G, Dejesus S T, Rongione A J, Clarke R H, Isner J M
Department of Medicine (Cardiology), New England Medical Center/Tufts University School of Medicine, Boston, Massachusetts 02111.
Am J Cardiol. 1987 Sep 15;60(8):751-2. doi: 10.1016/0002-9149(87)90404-8.