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经过对盐亭地区３０年的死因报告和肿瘤调查，表明食管癌居全死因顺位的第三位，是严重危害盐亭居民健康的主要死因。本文动态分析近３０年食管癌死亡率的变化，为食管癌高发现场综合防治提供依据，现将盐亭县１９６９年～１９９８年食管癌死亡资料进行整理分析。１资料来源和
After 30 years of Yan Ting area of cause of death reports and cancer surveys, indicating that the third cause of esophageal cancer all cause of death, is seriously endangering the health of Yanting residents the main cause of death. This article dynamic analysis of changes in esophageal cancer mortality in the past 30 years to provide a basis for the comprehensive prevention and treatment of esophageal high incidence site, now Yanting County, 1969 to 1998 data on the death of esophageal cancer were analyzed. 1 Source and