title: The target sign: a new weapon for early diagnosis of colonic perforation during EMR.
authors.forename: Sergey V
authors.initials: SV
authors.lastname: Kantsevoy
mesh_terms: D003106:Colon / Q000293:injuries* / Q000473:pathology / Q000601:surgery; D003113:Colonoscopy / Q000009:adverse effects*; D006801:Humans; D007413:Intestinal Mucosa / Q000293:injuries* / Q000473:pathology / Q000601:surgery; D007416:Intestinal Perforation / Q000473:pathology* / Q000517:prevention & control; D007417:Intestinal Polyps / Q000473:pathology / Q000601:surgery