title: The skeptical endoscopist.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Nickl
mesh_terms: D016099:Endoscopy, Gastrointestinal / Q000592:standards* / Q000639:trends; D019160:Endosonography / Q000592:standards* / Q000639:trends; D005260:Female; D005544:Forecasting; D005770:Gastrointestinal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008297:Male; D009361:Neoplasm Invasiveness / Q000000981:diagnostic imaging* / Q000473:pathology; D009367:Neoplasm Staging; D018570:Risk Assessment; D012680:Sensitivity and Specificity