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为了解茶陵县5岁以下儿童死亡状况,以便为今后制定和调整儿童保健工作方向提供可靠依据,我们于1992年10月按分层随机抽样方法对茶陵县1991年5岁以下儿童死亡情况进行了抽样调查。全县25个乡镇按山区、平原抽取相当于全县总人口20%的人口区域,区内1987年1月1日至1991年
In order to understand the death of children under 5 in Chaling County in order to provide a reliable basis for the formulation and adjustment of child health care work in the future, we conducted a stratified random sampling survey on the deaths of children under 5 in Chaling County in 1991 Conducted a sample survey. The county’s 25 towns and villages, according to the mountains, plains to extract equivalent to the county’s total population of 20% of the population area, the region January 1, 1987 to 1991