Hertlein and Byrd (IMAGE) University of Cincinnati Caption Erin Hertlein, PhD, left, and John Byrd, MD, work in the Leukemia and Drug Development Lab. Credit Photo/UC Foundation Usage Restrictions None 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.