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为掌握中小学生身体健康状况,以便有目的地采取防治措施,提高在校学生的身体素质,我们对河北区部分中小学在校学生进行了贫血状况调查,现报道如下。l对象与方法1.1对象:随机选取河北区19所中小学,其中中学10所,小学9所,对全部在校学生24941人进行血红蛋白测定。1.2方
In order to grasp the health status of primary and middle school students in order to purposely take preventive and control measures to improve the physical quality of school students, we conducted a survey of anemia among school students in some elementary and secondary schools in Hebei Province and are reported as follows. l Subjects and Methods 1.1 Subjects: 19 primary and secondary schools in Hebei District were randomly selected, including 10 middle schools and 9 primary schools. The hemoglobin of 24941 students was measured. 1.2 square