RT Journal Article SR Electronic T1 The broken heart syndrome JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S17 OP S22 VO 74 IS 2 suppl 1 A1 Penn, Marc S. A1 Young, James B. A1 Hahn, Joseph F. A1 Wittstein, Ilan S. YR 2007 UL http://www.ccjm.org/content/74/2_suppl_1/S17.abstract AB