Lopes, A C Anatomical and clinical aspects of the blood supply of the sinoatrial node. [electronic resource] - Revista da Associacao Medica Brasileira (1992) - 47-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 0104-4230 Standard No.: 10.1590/s0104-42301998000100009 doi Subjects--Topical Terms: Coronary Vessels--anatomy & histologyHumansMaleMiddle AgedMyocardial Ischemia--complicationsSinoatrial Node--anatomy & histologySyncope--etiology