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本研究测定了职业苯接触人群的尿苯水平,观察其是否与接触苯浓度间具有线性关系,以便将尿苯作为研究苯接触的指标。选择化工厂和加油站工作的苯接触工人110名(男性90名,女性20名;吸烟者为47人;年龄20～59岁,平均42岁)作为接触组。另选40名(男性28名,女性12名;非吸烟者20名,吸烟量>20支/d的吸烟者20名作对
In this study, the level of urinary benzene in occupational benzene exposed to the population was measured to see whether it had a linear relationship with the concentration of benzene exposed to benzene in order to study the use of benzene as an indicator of benzene exposure. A total of 110 benzene-exposed workers (90 males, 20 females; 47 smokers; aged 20-59 years, average 42 years) working in chemical plants and gas stations were selected as the exposure group. Another 40 (28 males, 12 females; 20 non-smokers and 20 smokers with 20 cigarettes per day)