The primary etiology of avascular necrosis of the femoral head (AVN) appears to be circulating microemboli that block the microcirculation of the femoral head.
主要病因股骨
性坏死股骨（结）似乎是微循环，阻止微循环的股骨。
The primary etiology of avascular necrosis of the femoral head (AVN) appears to be circulating microemboli that block the microcirculation of the femoral head.
主要病因股骨性坏死股骨（结）似乎是微循环，阻止微循环的股骨。
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