只有免疫原性而无抗原性的物质称为不完全抗原，它包括肿瘤抗原、动物血清等。(

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30916' and id < 2488007 and id<>'2488007' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30916' and id > 2488007 and id<>'2488007' order by id asc limit 5