Bella Mehta, Hospital for Special Surgery (IMAGE) Hospital for Special Surgery Caption Dr. Mehta and colleagues at Hospital for Special Surgery used a national database to compare racial disparities in unilateral versus bilateral knee replacement surgery. Credit Hospital for Special Surgery Usage Restrictions None License Licensed 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.