对缺铁性贫血无症状表现的缺铁期具有早期诊断价值的指标为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30449' and id < 2460119 and id<>'2460119' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30449' and id > 2460119 and id<>'2460119' order by id asc limit 5