足月新生儿在生后4个月内很少患营养性缺铁性贫血，其原因是（ )0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30909' and id < 2487292 and id<>'2487292' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30909' and id > 2487292 and id<>'2487292' order by id asc limit 5