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作者在毛里塔尼亚东南地区调查了村民中维生素A缺乏的情况,并分析与埃及血吸虫病的关系。在毛里塔尼亚东南地区两个村庄,K村和L村,1～15岁儿童的埃及血吸虫病感染率分别为65％和60％。1985年干旱季节,作者随机挑选1～15岁年龄组的206名儿童(其中81名来自K村,125名来自L村)。作身长体重测量和全面临床检查,特别注意干眼病和夜盲者的调查,其中干眼病按
The authors investigated the vitamin A deficiency among villagers in southeastern Mauritania and analyzed the relationship with schistosomiasis in Egypt. In two villages of southeastern Mauritania, K and L, the prevalence rates of schistosomiasis in children aged 1 to 15 years were 65% and 60%, respectively. In the drought season of 1985, the authors randomly selected 206 children in the age group of 1 to 15 years (81 of whom were from village K and 125 from village L). Body weight measurement and full clinical examination, with special attention to dry eye and night blind investigation, in which dry eye is pressed