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'https://openalex.org/W2358413812', 'https://openalex.org/W2347493021'], 'abstract_inverted_index': {'目的:探讨增殖细胞核抗原(PCNA)在肺鳞状细胞癌(简称)组织中的表达及其与预后的关系.方法:51例手术切除的肺鳞癌组织,采用免疫组化(SP)法检测PCNA在不同临床分期及分化程度癌组织中的表达,应用t检验、方差分析(F检验)比较其差异;采用Spearman等级相关分析其相关性.生存率分析采用Kaplan-Meir曲线,Long-Rank': [0], 'test检验生存期的差异.结果:PCNA表达在不同的临床分期及分化程度间差异均显著(P<0.05).PCNA和临床分期及分化程度与生存期均呈正相关,PCNA指数>50%组生存期明显短于PCNA指数<50%组(P<0.01).结论:PCNA在一定程度上可以作为肺鳞癌评价预后的指标.': [1]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3030332039', 'counts_by_year': [], 'updated_date': '2024-09-18T09:48:49.280342', 'created_date': '2020-06-05'}