题目内容
血清PSA正常值应为小于（ ）。
2021-10-11
A.7ng/ml
B.8ng/ml
C.4ng/ml
D.5ng/ml
E.6ng/ml
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SQL Error: select id,body,options from ***_enewstiku where sourceid='25461' and id < 2144823 and id<>'2144823' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25461' and id > 2144823 and id<>'2144823' order by id asc limit 5