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为研究乙型肝炎(以下简称乙肝)在哈尔滨铁路地区职工家属中的感染及传播,于1981年3～6月重点研究了67户有 HBV 感染家庭中父母对子女的影响及某些途径在乙肝传播中的作用。
In order to study the infection and spread of hepatitis B (hereinafter referred to as hepatitis B) in the families of workers and staff in Harbin Railway Region, from March to June 1981, we focused on the impact of parents of 67 families with HBV infection on their children and some of the ways in hepatitis B The role of communication.