SILVA, Maria Azevedo et al. Adenoma Recurrence after Endoscopic Piecemeal Mucosal Resection of Colorectal Flat Lesions: Applicability of the Sydney EMR Recurrence Tool in a Non-Tertiary Centre. GE Port J Gastroenterol [online]. 2022, vol.29, n.4, pp.25-33.  Epub Jan 02, 2023. ISSN 2341-4545.