Objective:To study the curative effect of free periosteum transplantation on ankylosing spondylitis, rheumatoid arthritis and ankylosis .

目的：探讨游离骨膜移植治疗强直性脊柱炎、类风湿关节炎、髋关节强直的效果。

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Objective:To investigate the epidemiology of rheumatoid arthritis (RA) and ankylosing spondylitis (AS) in Shandong rural area.

目的：探讨山东省农村地区类风湿关节炎（RA）和强直性脊柱炎（AS）的流行情况。

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Celecoxib-containing products are currently authorised in the European Union for the treatment of the symptoms of osteoarthritis, rheumatoid arthritis and ankylosing spondylitis.

含塞来昔布药物目前在欧盟被批准用于骨性关节炎、类风湿性关节炎和强直性脊柱炎症状的治疗。

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An avid football player in high school, Riley later contracted an intensely painful degenerative back disease known as rheumatoid spondylitis.

CNN: Vital Stats