Objective To explore the clinical value of combined detection of alpha fetoprotein(AFP), carcinoembryonic antigen(CEA), CA125 and CA19-9 in the diagnosis of malignant tumors in digestive system.

目的探讨联合检测血清中肿瘤标志物甲胎蛋白（AFP）、癌胚抗原（CEA）、糖类抗原125（CA125）、CA19-9对消化系恶性肿瘤的诊断价值。

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To detection concentration of serum vascular endothelial growth factor (VEGF) and alpha-fetoproteins (AFP) in primary hepatocarcinoma (PHC) and analyse the correlation between them.

检测原发性肝癌患者血清血管内皮细胞生长因子和甲胎蛋白的含量并分析其相关性。

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Objective To develop a semi-quantitative gold immunofiltration assay(GIFA) with quality control dots for the detection of alpha-fetoprotein(AFP) in serum.

目的建立一种伴有质控点的金免疫渗滤法（GIFA），用于半定量检测血清甲胎蛋白（AFP）。

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