RT Journal Article SR Electronic T1 Stress cardiomyopathy or Takotsubo syndrome JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1880 OP 1880 DO 10.1136/hrt.2009.181396 VO 95 IS 22 A1 R Barriales-Villa A1 M F Ortiz A1 J M De la Hera YR 2009 UL http://heart.bmj.com/content/95/22/1880.abstract AB