Objective To investigate the threadworm infection situation of children in out city and provide basis for the control of threadworm infection.
目的了解西宁市儿童蛲虫感染情况，更好地控制和减少蛲虫感染，保障幼儿健康成长。
Objective To investigate the threadworm infection situation of children in out city and provide basis for the control of threadworm infection.
目的了解西宁市儿童蛲虫感染情况，更好地控制和减少蛲虫感染，保障幼儿健康成长。
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