1. Differential parasympathetic innervation of sinoatrial and atrioventricular tissues in the dog heart;Ardell;Am. J. Physiol.,1986
2. Topography and numerical distribution of intracardiac ganglion cells in the cat;Calaresu;J. Comp. Neurol.,1971
3. Anatomy of the A-V node of the dog;James;Anat. Rec.,1964
4. Cardiac innervation: anatomic and pharmacologic relations;James;Bull. N.Y. Acad. Med.,1967
5. The intrinsic nerve cells of the cardiac atria of mammals and man;King;J. Anat. (London),1958