The architecture of the sinus node, the atrioventricular conduction axis, and the internodal atrial myocardium R. H. Anderson and S. Y. Ho Multicentric origin of the atrial depolarization wave: the pacemaker complex. Relation to dynamics of atrial conduction, P-wave changes and heart rate control – J. P. Boineau and others Voltage-clamp investigations of membrane currents underlying pace-maker ...