P24.09: Influence of the frame rate (FR) on strain analysis assessed by two‐dimensional (2D) speckle tracking in fetal echocardiography. (September 2016) - Enzensberger, C.; Achterberg, F.; Degenhardt, J.; Wolter, A.; Kawecki, A.; Graupner, O.; Herrmann, J.; Axt‐Fliedner, R.