Elena Ivleva and Carol Tamminga (IMAGE) UT Southwestern Medical Center Caption This image shows Dr. Elena Ivleva (L) and Dr. Carol Tamminga (R). Credit UT Southwestern Medical Center Usage Restrictions Credit UT Southwestern 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.