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对38名牙科医生和32名牙科助手测定其尿中汞含量,并以20名非牙科人员作为对照。每个被测者均在二周中收集10次晨起第一份尿液,用Linstedt和Skare法测定尿中汞含量。牙科人员的平均值为5—124微克/升,而对照组的平均值为3—17微克/升。
Thirty-eight dentists and 32 dental assistants were tested for urinary mercury levels and 20 non-dental staff served as controls. Each subject collected 10 morning urine samples for the first two weeks and measured urinary mercury levels using the Linstedt and Skare methods. The average dental staff was 5-124 μg / L, while the control group had an average of 3-17 μg / L.