(IMAGE) Technical University of Munich (TUM) Caption Dagmar Krueger of the Department of Human Biology at Technical University of Munich has examined more than 2200 specimens from around 450 patients with bowel disease. Credit (Photo: TUM/ A. Eckert) Usage Restrictions Free for use in reporting on TU Muenchen, with the copyright noted 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.