Christoph Tschuor*, Dimitri A Raptis, Përparim Limani, Thomas Bächler, Christian E Oberkofler, Stefan Breitenstein and Rolf Graf
* Corresponding author: Christoph Tschuor christoph.tschuor@usz.ch
BMC Gastroenterology 2012, 12:154 doi:10.1186/1471-230X-12-154
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