UNDERWATER ENDOSCOPIC MUCOSAL RESECTION FOR NON-PEDUNCULATED COLORECTAL LESIONS. A PROSPECTIVE SINGLE-ARM STUDY oleh Luciano LENZ, Bruno MARTINS, Fabio Shiguehisa KAWAGUTI, Alexandre TELLIAN, Caterina Maria Pia Simoni PENNACHI, Mauricio SORBELLO, Carla GUSMON, Gustavo Andrade de PAULO, Ricardo UEMURA, Sebastian GEIGER, Marcelo Simas de LIMA, Adriana SAFATLE-RIBEIRO, Elisa BABA, Claudio Lyoiti HASHIMOTO, Fauze MALUF-FILHO, Ulysses RIBEIRO JR