Sonja M. Kessler, Saarland University (IMAGE) Saarland University Caption Research pharmacist Sonja M. Kessler from Saarland University has succeeded in linking a protein group to gallbladder cancer. Credit Claudia Ehrlich 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.