长期TPN时，可能出现缺乏下列哪项物质

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30781' and id < 2478675 and id<>'2478675' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30781' and id > 2478675 and id<>'2478675' order by id asc limit 5