某患者由印尼入境后2天。频繁腹泻，无腹痛及里急后重，伴有呕吐。最重要的检查是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28769' and id < 2345564 and id<>'2345564' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28769' and id > 2345564 and id<>'2345564' order by id asc limit 5