RT Journal Article SR Electronic T1 Tako-tsubo cardiomyopathy (apical ballooning) JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1309 OP 1315 DO 10.1136/hrt.2006.101675 VO 93 IS 10 A1 Holger M Nef A1 Helge Möllmann A1 Albrecht Elsässer YR 2007 UL http://heart.bmj.com/content/93/10/1309.abstract AB