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本文对食管癌、低发区681例胃粘膜活检作了病理观察。材料来自1983年12月及1989年11月食管癌低发区河南省范县濮城镇(食管癌年死亡率男性26.54/10万,女
In this study, pathological observations were performed on biopsy of gastric mucosa in 681 cases of esophageal cancer and low incidence areas. The materials were from December 1983 and November 1989. The low-incidence area of esophageal cancer was in the town of Fan County, Henan Province. (The annual mortality rate of esophageal cancer was 26.54 per 100 thousand women.