Subtype-specific differentiation of cardiac pacemaker cell clusters from human induced pluripotent stem cells - Schweizer, Patrick Alexander; Darche, Fabrice Fernand; Ullrich, Nina D.; Geschwill, Pascal; Rivinius, Rasmus; Seyler, Claudia; Draguhn, Andreas; Utikal, Jochen; Koenen, Michael; Katus, Hugo; Thomas, Dierk (Stem cell research & therapy, 2017)