儿童时期因（ ）所致的贫血最为常见。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26242' and id < 2196798 and id<>'2196798' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26242' and id > 2196798 and id<>'2196798' order by id asc limit 5