求翻译：应用酶联免疫吸附实验(EL1SA)检测170例肺癌患者、50例健康人和60例肺部良性疾病患者血清中神经元特异性烯醇化酶(NSE)、胃泌素释放肽前体(pro-GRP)、细胞角蛋白l9(CYFRA21—1)、p53抗体和癌胚抗原(CEA)的水平含量。是什么意思？

Enzyme-linked immunosorbent assay (el1sa) detected 170 cases of lung cancer patients and 50 healthy controls and 60 cases of patients with benign lung disease serum neuron-specific enolase (nse), gastrin-releasing peptide precursor (pro- grp), the cytokeratin l9 (cyfra21-1), the level of p53 antibod

n. (Trad=方法, Pinyin=fang1 fa3) method, way, means, modus, medium, fashion

Method

Application of enzyme-linked immunosorbent assay experiment (EL1SA) 170 cases, 50 cases of healthy subjects and patients with lung cancer in 60 cases of benign diseases of the lungs in serum neuron-specific enolase (NSE), gastrin-releasing peptide precursor (pro-GRP), Cytokeratin L9 (CYFRA21-1), p53

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