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对210例藏族心脏的窦房结动脉和房室结动脉作了观察,前者主要起于左冠状动脉(50%),后者主要起于右冠状动脉(76.6%)。
The sinoatrial node and atrioventricular node arteries of 210 Tibetan hearts were observed. The former mainly originated in the left coronary artery (50%) and the latter mainly in the right coronary artery (76.6%).