Professor Dr med. Dr Holger Sudhoff (IMAGE) Bielefeld University Caption Professor Dr med. Dr Holger Sudhoff is conducting research at the University Hospital OWL. He will use the new surgical microscope at Klinikum Bielefeld. Credit Photo: Bielefeld Hospital/S. Behrmann Usage Restrictions The 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.