进一步检查提示R.F300U/ml，抗CCP抗体阳性，ESB. 50mm/h。为明确患者病情，还应该做的检査是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29190' and id < 2375128 and id<>'2375128' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29190' and id > 2375128 and id<>'2375128' order by id asc limit 5