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
缺血性坏死股骨（结）似乎是微
，阻止微
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.
主要病因股骨缺血性坏死股骨（结）似乎是微，阻止微股骨。
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