调查上海市区不同人群的口腔原虫的感染情况。从齿垢物取标本作新鲜涂片法检查。
PURPOSE In order to find out the protozoan infection of oral cavity for different groups of persons in Shanghai.
调查上海市区不同人群的口腔原虫的感染情况。从齿垢物取标本作新鲜涂片法检查。
PURPOSE In order to find out the protozoan infection of oral cavity for different groups of persons in Shanghai.
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