The septal branches course medially and supply the majority of the interventricular septum, as well as the atrioventricular (AV) bundle and proximal bundle branch (Fig 3) (7).
室间隔支供应室间隔的大部分、房室束和左右束支近段（图3）。
The septal branches course medially and supply the majority of the interventricular septum, as well as the atrioventricular (AV) bundle and proximal bundle branch (Fig 3) (7).
室间隔支供应室间隔的大部分、房室束和左右束支近段（图3）。
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