Rheumatoid Arthritis (IMAGE) Cactus Communications Caption In a new study, researchers evaluate the similarities and differences among the disease activity indices used for patients with rheumatoid arthritis Credit Chinese Medical Journal Usage Restrictions You are free to share and adapt the material. Attribution is required. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.