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我们于1989年7～8月对贵州遵义市区所辖60岁以上老年人进行老年期痴呆的流行病学调查,结果报道如下。资料与结果本次调查在遵义市区居民中年龄在60岁以上的3.2万老年人口中进行,样本按27:1的
From July to August 1989, we conducted an epidemiological investigation of senile dementia in elderly people over 60 years of age in the city of Zunyi, Guizhou. The results are reported below. Data and Results This survey was conducted among 32,000 elderly people aged 60 or above in the urban area of Zunyi. The sample was 27:1.