%0 Journal Article %T Two-dimensional speckle tracking echocardiography derived post systolic shortening in patients with unstable angina and normal left ventricular systolic function %A Giridharan, S. %A Karthikeyan, S. %A Aashish, A. %A Amirtha Ganesh, B. %A Arun Prasath, P. %A Usha, P. %J The Anatolian Journal of Cardiology %D 2021 %V 25 %P 880-886 %R 10.5152/AnatolJCardiol.2021.40931