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... ifferent.
Such a good thing can only be promoted and tested in two states in the United States, and up to now, more than half a year, only more than 100 operations have been performed, which is very telling.
You must know that he has learned before that in all hospitals in North America alone, there are hundreds of thousands of replacement operations for femoral head necrosis every year, and even hundreds or even thousands of them every day, but now they The popularized femoral hea ...
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