Lane R T, Sawada S G, Segar D S, Ryan T, Lalka S G, Williams R, Brown S E, Armstrong W F, Feigenbaum H
Krannert Institute of Cardiology, Department of Medicine, Indiana University School of Medicine, Indianapolis.
Am J Cardiol. 1991 Oct 1;68(9):976-7. doi: 10.1016/0002-9149(91)90424-j.