能够改善再障造血功能的措施是(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26333' and id < 2202137 and id<>'2202137' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26333' and id > 2202137 and id<>'2202137' order by id asc limit 5