OC.05.3: Endoscopic Ultrasound-Guided Tissue Sampling with a New 20G Biopsy Needle for the Characterization of Gastrointestinal Subepithelial Lesions: Results of a Preliminary Multicenter Study. (15th March 2017) - Antonini, F.; Delconte, G.; Fuccio, L.; De Nucci, G.; Fabbri, C.; Armellini, E.; Frazzoni, L.; Fornelli, A.; Mandelli, E.; Magarotto, A.; Occhipinti, P.; Masci, E.; et al.