营养性巨幼细胞贫血(简称巨贫)在陕西一些县发病较高,为了了解人群发病情况,我们对华阴县生活水平不同的公社进行了抽样调查。对象:以农村人口为调查对象,对7～82岁不同年龄组进行抽样调查,选择收入不同,蔬菜种植面积不同的桃下镇兴建公社、华山公社、夫水公社及孟原公社的十二个大队,4所中小学校进行调查。 Nutritional megaloblastic anemia (referred to as giant poverty) higher incidence in some counties in Shaanxi, in order to understand the incidence of the crowd, we conducted a sample survey of communes with different living standards in Huayin County. PARTICIPANTS: Based on the survey of rural population, a sample of 7 ~ 82-year-olds of different age groups was selected for sampling. Twelve of Taoshixia commune, Huashan commune, Fushui commune and Mengyuan commune of different incomes and vegetable planting areas were selected Brigade, four primary and secondary schools to investigate.