Katti Crakes, UC Davis School of Medicine (IMAGE) University of California - Davis Health Caption This is Katti Crakes, doctoral student in the School of Medicine and School of Veterinary Medicine at UC Davis. Credit UC Davis Health Usage Restrictions Image may only be used with appropriate caption and credit. 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.