上消化道出血患者应在出血后多长时间进行胃镜 检查(    )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26330' and id < 2202000 and id<>'2202000' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26330' and id > 2202000 and id<>'2202000' order by id asc limit 5