目的研究肺表面活性蛋白A（SP-A）在肺出血新生儿支气管肺泡灌洗液（BALF）中的变化及其与预后的关系。

Objective To study the change of surfactant protein A(SP-A)in bronchoalveolar lavage fluid(BALF)and the relationship with prognosis in newborns with pulmonary hemorrhage.

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两种种植体植入26周后，于皮质骨内形成了近似相同的骨结合形态。两种种植体的表面都由新生的板层骨包绕。

After the two planting materials implants 26 weeks, formed same bone union-shape in the cortex bone, the surface was encysted by new lamellar bone.

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结果种植体植入后第14天，实验组和对照组种植体表面以及骨髓腔内均可见少量的新生小梁骨形成。

Results in both control and Emdogain-applied groups, thin trabecular new bone formation was found over the implant surfaces and within marrow Spaces at 14 days after the implantation.

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