维生素D最主要的来源是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28159' and id < 2306233 and id<>'2306233' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28159' and id > 2306233 and id<>'2306233' order by id asc limit 5