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.

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。

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Objective to investigate the biologic significance of thyroid transcription factor-1 (TTF-1) and surfactant protein a (SP-A) and SP-B expression in pulmonary sclerosing hemangioma (PSH).

目的探讨甲状腺转录因子1 (TTF 1)和表面活性蛋白a、B (SP A, SP B)在肺硬化性血管瘤(PSH)中表达的生物学意义。

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Objective To prepare monoclonal antibody (mAb) against human pulmonary surfactant-associated protein a (SP-A) and evaluate its specificities.

目的制备抗人肺表面活性物质相关蛋白a (SP - A)单克隆抗体并对其特性进行鉴定。

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