直流电药物离子导入时，由阳极导入的药 物是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25689' and id < 2159351 and id<>'2159351' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25689' and id > 2159351 and id<>'2159351' order by id asc limit 5