RT Journal Article SR Electronic T1 Cardiotonic Drugs: A Clinical Survey ed. by Carl V. Leier JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 196 OP 196 VO 55 IS 2 A2 Zakov, Z. Nicholas A1 Hobbs, Robert E. YR 1988 UL http://www.ccjm.org/content/55/2/196.1.abstract AB