Heterogeneity of ventricular action potentials in neonatal rat cardiomyocytes and methodological aspects of patch clamp measurements - Syren, Pascal; Zlatopolskaia, Anna; Bruehl, Claus; Schöffel, Axel; Caspari, Teresa; Heß, Chiara; Frey, Norbert; Thomas, Dierk; Lugenbiel, Patrick (Frontiers in Physiology, 2025)