便秘的病因病机有(  )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25922' and id < 2175526 and id<>'2175526' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25922' and id > 2175526 and id<>'2175526' order by id asc limit 5