
Keywords: سندرم فیبرومیالژی; Rheumatoid arthritis; Systemic lupus erythematosus; Systemic sclerosis; Behçets disease; Fibromyalgia syndrome; Disease activity; Quality of life; Artritis reumatoide; Lupus eritematoso sistémico; Esclerosis sistémica; Enfermedad de Behçet; SÃndrome