论文部分内容阅读
Statistical analyses on the stool positive rates of the whole inhabitants and thechildren there from 78 brigades of 4 communes and those of the Whole inhabitants,their children and cattle from 48 (of 78) of 2 (of 4) communes during 1971-1979
Statistical analyzes on the stool positive rates of the whole inhabitants and the children there from 78 brigades of 4 communes and those of the Whole inhabitants, their children and cattle from 48 (of 78) of 2 (of 4) communes during 1971-1979