某药的半衰期为8小时，一次给药后药 物在体内基本消失所需的最短时间是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31547' and id < 2527269 and id<>'2527269' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31547' and id > 2527269 and id<>'2527269' order by id asc limit 5