谛性大，可产生依赖性，现很少用于临床 的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27189' and id < 2254289 and id<>'2254289' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27189' and id > 2254289 and id<>'2254289' order by id asc limit 5