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我们对哈尔滨市某幼儿园398例3～7岁儿童进行全血锌测定,其中男、女各199例。检查方法:采耳血0.2ml,用直接稀释法测定。结果见附表。
We conducted a whole blood zinc test in 398 children aged 3 to 7 years in a nursery in Harbin, including 199 males and 137 females. Inspection Methods: Ear Ear Blood 0.2ml, measured by direct dilution method. The results see the schedule.