Franziska Boehm, Maria Martin, Rebecca Kesselring, Gabriela Schiechl, Edward K Geissler, Hans-Jürgen Schlitt and Stefan Fichtner-Feigl*
* Corresponding author: Stefan Fichtner-Feigl stefan.fichtner@klinik.uni-regensburg.de
BMC Gastroenterology 2012, 12:97 doi:10.1186/1471-230X-12-97
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