目前基因治疗中选用最多的蓰因载体是（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27513' and id < 2271611 and id<>'2271611' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27513' and id > 2271611 and id<>'2271611' order by id asc limit 5