Researcher portrait (IMAGE) University of Oklahoma Caption Jennifer Holter-Chakrabarty, M.D. Bone marrow transplant physician at OU Health Stephenson Cancer Center Credit OU Health 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.