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ji yan bu ji shi guan ai liu xing bing xue he bing li xing tai xue yan jiu
Pages: 21-23
Year: Issue:  5
Journal: Journal of Medical Research

Keyword:  食管癌病理形态学研究流行病学分析患病率咽部组织学检查林县年龄分组公社范县;
Abstract: <正> 我们于1973年5月间,同时在林县的姚村公社、采桑公社及范县的龙王庄公社,对半岁以上的鸡进行了全面的对比调查,发现咽部及食管癌的病鸡,一律收购进行组织学检查。表1 林县与范县普查鸡年龄分组及咽部及食管癌之患病率
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