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'https://openalex.org/W2012153467', 'https://openalex.org/W1994418161', 'https://openalex.org/W1977371712', 'https://openalex.org/W1963608308'], 'abstract_inverted_index': {'目的': [0], '研究早产儿血中血小板活化因子(PAF)水平的变化,探讨PAF在早产儿发育、成熟中的作用.方法': [1], '采用ELISA方法测定35例早产儿和15例健康足月儿血中PAF水平,并分析早产儿血中PAF水平与早产儿胎龄、体重之间的相关性.结果': [2], '早产儿血中PAF水平[(9.44±3.31)pg/ml]比足月新生儿[(44.1±12.0)pg/ml]低,血PAF水平与早产儿胎龄呈显著正相关(r=0.557,P<0.001),与出生体重呈显著正相关(r=0.536,P<0.001).结论': [3], '在生理情况下PAF可能与早产儿发育、成熟有关。': [4]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3028741878', 'counts_by_year': [], 'updated_date': '2024-09-10T17:28:59.236920', 'created_date': '2020-06-05'}