Human Pluripotent Stem Cell-Derived Cardiomyocytes: Response to TTX and Lidocain Reveals Strong Cell to Cell Variability. - Sheng, Xiaowu; Reppel, Michael; Nguemo, Filomain; Mohammad, Farooq Ibrahem; Kuzmenkin, Alexey; Hescheler, Jürgen; Pfannkuche, Kurt; Pera, Martin (PLoS ONE, 2012)