There is more collagen tissue on the surface of pulmonary patch.

肺动脉补片腔面新内皮细胞和较多的胶原纤维相混杂。

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There is more collagen tissue on the surface of pulmonary patch.

肺动脉补片腔面新内皮细胞和较多的胶原纤维相混杂。

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