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1·Antinuclear antibody and rheumatoid factor were negative in both periods.

抗核抗体、类风湿因子均阴性。

2·Conclusions: Cornea epithelial deficiency is a common complication in dry eye patients after cataract surgery, especially in patients with rheumatoid factor positive.

结论：干眼症患者白内障手术后易出现角膜上皮缺损，尤其是伴类风湿因子阳性的患者。

3·A group of antibodies called rheumatoid factor often appears in the blood, but is not always specific for the rheumatoid arthritis, as it may occur in other systemic diseases as well.

一群抗体称为类风湿因子经常出现的血液，但并不总是如此专用类风湿性关节炎的患者，因为它可能出现在其它全身性疾病。

4·Objective to approach the value of anti-cyclic citrullinated peptide antibody (CCP), Anti-keratin antibody (AKA), anti-RA33 and rheumatoid factor (RF) in the diagnosis of rheumatoid arthritis (ra).

目的探讨环瓜氨酸多肽(CCP)抗体、抗角蛋白抗体(aka)、类风湿因子(RF)和抗ra33抗体对类风湿性关节炎(RA)的临床应用价值。

5·The changes in clinical symptoms and signs, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and rheumatoid factor (RF), as well as hemorheology indexes were observed after treatment.

观察两组患者治疗前后临床症状、体征以及血沉（ESR）、C反应蛋白（CRP）及类风湿因子（RF）的变化以及血液流变学各项指标的变化情况。

6·Our findings provide a compelling explanation for why rheumatoid arthritis is a negative risk factor for Alzheimer's disease, he said.

“我们的发现为证明类风湿关节炎为何在阿尔茨海默症中扮演负风险因子提供了一个有强有力的解释，”他说。