OC.16.3 THREE DIFFERENT TECHNIQUES OF ENDOSCOPIC GASTROPLASTY: TECHNICAL ASPECTS FROM PRELIMINARY RESULTS OF A PROSPECTIVE, SINGLE CENTER, RANDOMIZED CONTROLLED STUDY. (May 2022) - Di Prampero, S.F. Vadalà; Masia, S.; Bazzu, P.; Cosseddu, V.; Di Maio, F.; Manzoni, G.; Rocchi, C.; Massidda, M.; Milano, V.; Pagliara, D.; Bua, A.; Delogu, G.; et al.