本文对天津市124例7～14岁儿童进行智能测试和血清铜，锌，铁的测定。
The changes of intelligence quotient and serum iron, copper and zinc in 124 children(7~14yr)were observed.
了解儿童血清锌、铁、铜、钙、镁对儿童生长发育的影响。
To assess the effect of serum zinc, iron, copper, calcium, magnesium level on children's growth and development.
了解儿童血清锌、铁、铜、钙、镁对儿童生长发育的影响。
To assess the effect of serum zinc, iron, copper, calcium, magnesium level on children's growth and development.
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