Objective:To investigate the architecture of collagen fibers of human sinoatrial node and its relationship to the central artery penetrated to the node.
目的：观察人窦房结胶原纤维网架的构筑及其与窦房结中央动脉的关系。
Objective:To investigate the architecture of collagen fibers of human sinoatrial node and its relationship to the central artery penetrated to the node.
目的：观察人窦房结胶原纤维网架的构筑及其与窦房结中央动脉的关系。
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