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一般认为,δ—氨基乙酰丙酸(以下略作ALA)从尿中的排泄量与某种程度以上的铅接触量之间有相当良好的剂量—反应关系,故尿中ALA的测定,作为职业性铅接触指标而被广泛利用。至于铅接触量与5—羟基吲(口乃木)
It is generally believed that there is a reasonably good dose-response relationship between the amount of δ-aminolevulinic acid (hereinafter referred to as ALA) urinary excretion and some level of lead exposure, and therefore the determination of urinary ALA as a career Lead exposure indicators are widely used. As for lead exposure and 5-hydroxyindole (stomatal)