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儿童急性呼吸道感染是一种儿科常见疾病,其中30%为反复发作者,严重影响了他们的健康.我们于1995年10月～1996年1月,在我市16所幼儿园进行反复呼吸道感染儿的调查,并对其测定血清免疫球蛋白及G亚类报导如下.1资料和方法
Acute respiratory infections in children is a common pediatric diseases, of which 30% of repeated attacks, seriously affecting their health. We in October 1995 ~ January 1996, in our city of 16 kindergarten children with recurrent respiratory tract infections Survey, and its determination of serum immunoglobulin and G subclasses reported as follows.1 Materials and Methods