穿刺抽取脑脊液最初数滴为血性，随后逐渐转清，离心后上清液无色透明为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30508' and id < 2463490 and id<>'2463490' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30508' and id > 2463490 and id<>'2463490' order by id asc limit 5