Hartmann J, McKeever L, Teran J, Bufalino V, Marek J, Brown A, Goodwin M, Amirparviz F, Motarjeme A
Section of Cardiology, Good Samaritan Hospital, Downers Grove, Illinois 60515.
Am J Cardiol. 1988 Jan 1;61(1):189-91. doi: 10.1016/0002-9149(88)91329-x.