下列膳食或营养素均对放射损伤有一定的防护作用，除了

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30442' and id < 2459647 and id<>'2459647' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30442' and id > 2459647 and id<>'2459647' order by id asc limit 5