对照组为经过体格检查为正常健康儿童，年龄在2～14岁，共20例。
The normal group were composed of 20 healthy children checked in the policlinic, age 2~14 years.
方法：用高频等离子体发射光谱法测定30例矮小儿童血清锌、钙、锰含量，同30例正常健康儿童比较。
Methods:The contents of serum of zinc, calcium and manganese were determined in 30 short stature children and 30 healthy children.
方法：采用化学发光酶免疫分析法检测5 0例重症感染新生儿及4 0例正常健康儿童血清IL 6、IL 8水平。
Methods: Serum IL 6 and IL 8 were measured with chemiluminescent enzyme immunoassay in 50 newborns with severe infection and in 40 healthy infants.
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