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笔者对延边、白山、通化、吉林4个地区的大骨节病病情监测点进行了临床检查,X线拍片及水质检测等方面大量细致的监测工作,现就1990～1996年饮水中有关物质的检测结果分析如下:
The author of the Yanbian, Baishan, Tonghua, Jilin four areas of Kashin-Beck disease monitoring point for clinical examination, X-ray film and water quality inspection and other aspects of a large number of meticulous monitoring, now on the 1990 to 1996, the detection of related substances in drinking water The results are as follows: