若患者出现柏油样便，表明该患者上消化道出血量超过（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30836' and id < 2483234 and id<>'2483234' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30836' and id > 2483234 and id<>'2483234' order by id asc limit 5