医疗单位使用毒性药品，每张处方不得超过（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27504' and id < 2270071 and id<>'2270071' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27504' and id > 2270071 and id<>'2270071' order by id asc limit 5