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目的：为了解燃煤型砷对人体遗传物质的损伤作用。方法：（１）调查对象和检测指标：贵州省使用高砷煤地区砷中毒患者（分４组：非病人组，轻度中毒组，中度中毒组，重度中毒组）及对照人群组（距病区１２Ｋｍ处的的村民）的外周血淋巴细胞姐妹染色单体互换（ＳＣＥ）、染色体
Objective: To understand the effect of coal-based arsenic on human genetic material damage. Methods: (1) Subjects and test indicators: Arsenic poisoning patients in high-arsenic coal area in Guizhou Province were divided into 4 groups: non-patient group, mild poisoning group, moderate poisoning group and severe poisoning group, and control group From the villagers at 12Km of the ward) peripheral blood lymphocytes sister chromatid exchange (SCE), chromosome