RT Journal Article SR Electronic T1 Cardiac Emergencies ed. by Meivin M. Scheinman JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 279 OP 279 VO 52 IS 2 A2 Zakov, Z. Nicholas A1 Underwood, Donald YR 1985 UL http://www.ccjm.org/content/52/2/279.1.abstract AB