Knebel, Phillip: The study centre of the german surgical society : current trials and results / Phillip Knebel, Shafreena Kühn, Alexis B. Ulrich, Markus W. Büchler, Markus K. Diener, April 2012. - 8 S. In: Langenbeck's archives of surgery, ISSN 1435-2451. 397(2012), 4, Seite 611-618 DOI: 10.1007/s00423-012-0922-z