多次、反复接触某一外源化学物质一定时间后，若能用化学方法测得机体内或某些组织脏器中存在该化学物质，称之为（）。_卫生毒理_全学科试题题库

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多次、反复接触某一外源化学物质一定时间后，若能用化学方法测得机体内或某些组织脏器中存在该化学物质，称之为（）。
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