Objective To study the relationship between cleanliness of children's hands and diminution of Ascaris lumbricoides infection.
目的探讨儿童手部清洁卫生与蛔虫感染之间关系。
The dynamics both reinfection and infection rates of Ascaris lumbricoides was observed among 581 school children.
通过观察群体蛔虫再感染和感染率的动态变化，本文提出了群体驱治蛔虫的间隔时间——群治频率。
The dynamics both reinfection and infection rates of Ascaris lumbricoides was observed among 581 school children.
通过观察群体蛔虫再感染和感染率的动态变化，本文提出了群体驱治蛔虫的间隔时间——群治频率。
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