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v2 Chapter 808 Flap within flap!
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v2 Chapter 810 Move to the other side?
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... didn't even know what this "lobe-in-lobe" was.
But Tang Zhanwei widened his eyes in shock.
Valve-in-valve, which is indeed one of the most effective ways to treat paravalvular leaks.
Paravalvular leaks are rescued by implanting a second valve.
However, Tang Zhanwei does not know this technique!
Even if it is placed in the whole of China, few people know it!
Therefore, Tang Zhanwei directly ignored this method.
But the man in fr ...
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