方法：样品用硝酸和高氯酸消化后，导入火焰原子吸收分光光度计中，与标准系列比较定量。
Methods: the sample, after the nitric acid and the perchloric acid digestion was induced in the flame atom absorption spectrophotometer with standard series comparison quota.
方法：应用放射免疫分析和分光光度计法对38例食管癌患者进行了治疗前后血清tnf、SA、SIL - 2r含量检测。并以35名正常健康人作比较。
Methods Serum contents of TNF (with RIA), SA and SIL-2R (with ELISA) were measured in 38 patients with esophageal cancer both before and after treatment as well as in 35 controls.
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