Ann Marie Navar, M.D., Ph.D. (IMAGE) UT Southwestern Medical Center Caption Ann Marie Navar, M.D., Ph.D. Credit UT Southwestern Medical Center 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.