Objective Under design of cross sectional study and randomly sampling, a survey was conducted in 6 counties of Ningxia province in China on the status of nutrition of children under 3 years old.
为了解宁夏农村3岁以下儿童的营养状况，对宁夏6县进行了随机抽样横断面调查。
Children under six years old may eat half of a can (3 oz) of chunk light tuna per week.
六岁以下的儿童每周可以吃半罐(3盎司)大块鲔鱼。
Objective to investigate two-week prevalence of diarrhea among children aged under 3 years old in western rural China and its influential factors.
目的了解中国西部农村3岁以下儿童腹泻两周患病率及其影响因素。
Objective to investigate two-week prevalence of diarrhea among children aged under 3 years old in western rural China and its influential factors.
目的了解中国西部农村3岁以下儿童腹泻两周患病率及其影响因素。
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