对胃液分泌有抑制作用的因素有（      ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25941' and id < 2179681 and id<>'2179681' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25941' and id > 2179681 and id<>'2179681' order by id asc limit 5