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本文报道随机抽查成都市区四所小学１０３名７～９岁的健康儿童血清蛋白质与血钙含量，研究学龄期儿童蛋白质、钙营养状况及血钙水平与生长发育的关系。发现本组儿童血钙低于正常（２．２５ｍｍｏｌ／Ｌ）［１］者６３例（６３／１０３，６１．２％）。其中生长较快组４１例儿童中有３１例血钙值降低。结果表明：成都市区７～９岁的大多数健康儿童的血钙水平低下。生长速度较快者，低钙的发生率更高，提示对学龄儿童应适当补钙，对生长发育较快的儿童尤其应当重视钙的补充。该组儿童的蛋白质供给基本正常
This paper reports random determination of serum protein and serum calcium in 103 healthy children aged 7-9 years in four primary schools in Chengdu area to investigate the relationship between protein and calcium status and serum calcium levels and growth and development in school-age children. 63 children (63/103, 61.2%) with serum calcium lower than normal (2.25mmol / L) [1] were found in this group. Of the 41 children who developed faster, 31 had decreased serum calcium. The results showed that the majority of healthy children aged 7-9 in Chengdu had a low serum calcium level. The faster growth rate, the higher the incidence of low calcium, suggesting that appropriate calcium for school-age children, growth and development of children with particular emphasis on calcium supplement. The group of children’s protein supply is basically normal