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M. van den Berg, S. Haijtink, P. Fockens, F. Vleggaar, M. Dijkgraaf, P. Siersema, J. van Hooft. "First data on the Evolution duodenal stent for palliation of malignant gastric outlet obstruction (DUOLUTION study): a prospective multicenter study." Endoscopy 45.03 (2013) 174-181