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为了解沈阳地区儿童锌的营养状况，我们在沈阳市选取各项幼儿设施处于中等水平的幼儿园，对其全园儿童进行膳食调查，体格检查及发锌和血浆锌的测定，旨在为有效地防治儿童锌缺乏提供基础资料。1对象与方法1．1选取沈阳市某幼儿园（其各项幼儿设施处于全市中等水平），对全国31
In order to understand the nutritional status of children zinc in Shenyang, we selected all kindergartens with child care facilities in Shenyang at medium level. We conducted dietary surveys, physical examinations, and hair zinc and zinc determinations on children in our school in order to effectively Prevention of zinc deficiency in children to provide basic information. 1 Subjects and methods 1.1 Select a kindergarten in Shenyang (the child care facilities in the city at a medium level), the national 31