消化道出血时，出现粪便隐血试验阳性时，出血量大概是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31164' and id < 2503034 and id<>'2503034' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31164' and id > 2503034 and id<>'2503034' order by id asc limit 5