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对１９０７例学龄前幼儿发锌的分析发现，新生儿发锌值最高，随着年龄的增加和身高的增长而逐年减少，至３岁时降至最低，３～６岁之间则变化平稳。
Analysis of 1907 cases of pre-school children hair zinc found that the highest neonatal hair zinc value, with increasing age and height growth year by year, to 3 years to a minimum, between 3 to 6 years of steady change between.