AUTHOR=Syren Pascal , Zlatopolskaia Anna , Bruehl Claus , Schöffel Axel , Caspari Teresa , Heß Chiara , Frey Norbert , Thomas Dierk , Lugenbiel Patrick TITLE=Heterogeneity of ventricular action potentials in neonatal rat cardiomyocytes and methodological aspects of patch clamp measurements JOURNAL=Frontiers in Physiology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2025.1537345 DOI=10.3389/fphys.2025.1537345 ISSN=1664-042X