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为探索控制地直肠道奇生虫感染的有效方案，我们于1989年12月至1990年6月，在商州市选择4所不同类型中、小学技的低年级学生，进行了集体查治蛔虫和鞭虫感染的效果现实。由专人来集新鲜粪便标本，以改良加藤氏厚涂片法进行一次检查虫卵。对查出的奇生虫感染者，均给予3天服药驱
To explore the effective control of DOD infection, we selected 4 different types of primary and secondary primary school students in Shangzhou City from December 1989 to June 1990 to conduct a comprehensive investigation of roundworms and Whipworm infection effect reality. By hand to collect fresh stool specimens to improve Kato’s thick smear method to check the eggs. On the detected odd creatures infected, were given 3 days medication drive