引起输尿管梗阻的最常见原因是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31776' and id < 2540527 and id<>'2540527' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31776' and id > 2540527 and id<>'2540527' order by id asc limit 5