A polypropylene patch or screen covers the hernia completely and is tension-free.
A polypropylene patch or screen covers the hernia completely and is tension-free.
图3用一张聚丙烯网片覆盖在缺损部位之上，完全没有张力。
A polypropylene patch or screen covers the hernia completely and is tension-free.
图3用一张聚丙烯网片覆盖在缺损部位之上，完全没有张力。