HLA-B27 (组织相容抗原）阳性可帮助确诊 的疾病是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25391' and id < 2139646 and id<>'2139646' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25391' and id > 2139646 and id<>'2139646' order by id asc limit 5