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The morphology and position of the AV node and AV bundle were observed in 13 human hearts with serial sections.
本文对13例人心标本房室结和房室束的形态及位置，作了连续切片观察。
youdao
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The morphology and position of the AV node and AV bundle were observed in 13 human hearts with serial sections.
本文对13例人心标本房室结和房室束的形态及位置，作了连续切片观察。
youdao