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近年来,对于血红蛋白生物合成过程的主要步骤、以及铅对这个过程的阻抑作用,已经日益得到阐明;尿中σ-氨基乙酰丙酸和红细胞σ-氨基乙酰丙酸脱水酶活性等两项化验指标也被应用于铅中毒的诊断。有些文献认为,这两项诊断指标比过去所用的尿中粪卟啉(棕色素)测定和点彩红细胞计数等指标灵敏。遵照毛主席关于“古为今用,洋为中用”的教导,本期选登关于这两种化验方法的译稿两篇,供同志们参考。
In recent years, hemoglobin biosynthesis process for the main steps, as well as lead on the process of inhibition, has been increasingly elucidated; urinary σ-aminolevulinic acid and erythrocyte σ-aminolevulinic acid dehydratase activity of two tests Indicators are also used in the diagnosis of lead poisoning. Some documents suggest that these two diagnostic criteria are more sensitive than the urinary excretion of porphyrin (brown pigment) assay and stained red blood cell count used in the past. In accordance with Chairman Mao’s teachings on “ancient for today and foreign for intermediate use,” two articles on the translation of these two test methods were selected for reference by comrades in this issue.