%0 Journal Article %T Effect of Acute Mental Stress on Heart Rate and QT Variability in Postmyocardial Infarction Patients %A Damiano Magrì %A Gianfranco Piccirillo %A Raffaele Quaglione %A Annalaura Dell’ %A Armi %J ISRN Cardiology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/912672 %U http://dx.doi.org/10.5402/2012/912672