1. The site of origin of the mammalian heart beat; the pacemaker in the dog;Lewis;Heart,1910
2. Experiments on the origin and propagation of the impulse in the heart;Eyster;Heart,1913
3. Electrograms from the canine sinoatrial pacemaker recorded in vitro and in situ;Cramer;Am J Cardiol,1978
4. The form and nature of the muscular connections between the primary divisions of the vertebrate heart;Keith;J Anat Physiol,1907
5. Comparative ultrastructure of the sinus node in man and dog;James;Circulation,1966