患者在多次应用了治疗量的药物后，其疗效逐渐下降，就是产生了（

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30914' and id < 2487779 and id<>'2487779' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30914' and id > 2487779 and id<>'2487779' order by id asc limit 5