title: Endoscopy.
authors.forename: G N J
authors.initials: GN
authors.lastname: Tytgat
mesh_terms: D001706:Biopsy; D016099:Endoscopy, Gastrointestinal; D005767:Gastrointestinal Diseases / Q000473:pathology* / Q000601:surgery; D006801:Humans; D017410:Practice Guidelines as Topic; D011237:Predictive Value of Tests