Chowdhury SM, Butts RJ, Taylor CL, Bandisode VM, Chessa KS, Hlavacek AM, Nutting A, Shirali GS, Baker GH. Longitudinal measures of deformation are associated with a composite measure of contractility derived from pressure-volume loop analysis in children. Eur Heart J Cardiovasc Imaging. 2018 05 01; 19(5):562-568.