title: Anatomical variations of the coronary arteries and origin of blood supply to sinoauricular and atrioventricular nodes determined on the basis of postmortem coronary angiography.
mesh_terms: D000790:Angiocardiography; D003331:Coronary Vessels / Q000033:anatomy & histology*; D005260:Female; D006329:Heart Conduction System / Q000098:blood supply*; D006801:Humans; D008297:Male; D012849:Sinoatrial Node / Q000098:blood supply*