下列哪种实验可用来检测致癌物质

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24317' and id < 2098852 and id<>'2098852' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24317' and id > 2098852 and id<>'2098852' order by id asc limit 5