[1]Faculty of Medicine, University of Coimbra, 3045-137 Coimbra, Portugal;
[2]Institute of Biomedical Sciences Abel Salazar, University of Porto, 4050-313 Porto, Portugal;
[3]Heidelberg School of Chinese Medicine, 69126 Heidelberg, Germany;
类风湿性关节炎; 临床试验; 生活质量; 多中心; 患者; 疼痛; 针刺; 影响评价;