%0 Journal Article %B Frontiers in Physiology %D 2017 %G eng %R 10.3389/fphys.2017.00819 %T Simultaneous Quantification of Spatially Discordant Alternans in Voltage and Intracellular Calcium in Langendorff-Perfused Rabbit Hearts and Inconsistencies with Models of Cardiac Action Potentials and Ca Transients %U https://doi.org/10.3389/fphys.2017.00819 %V 8