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对龙川县四都镇中学和８所小学的中小学生进行ＨＢｓＡｇ感染情况调查，结果报道如下：１调查对象和方法１１对象初中１～３年级，小学生１～６年级全部未接种过“乙肝”疫苗的在校学生。１２试剂兰州生物制品厂生产的ＨＢｓＡｇ诊断血球。１３方法用微细塑料胶管采...
HBsAg infection was investigated in primary and middle school students in Si Du Town Middle School and 8 primary schools in Longchuan County and the results were reported as follows: 1 Subjects and Methods 11 Subjects Junior middle school students from Grade 1 to Grade 3, primary school students from Grade 1 to Grade 6, Hepatitis B "vaccine in school students. 1 2 reagents Lanzhou Biological Products Factory production of HBsAg diagnostic blood cells. 1 3 method with a small plastic hose ...