title: Authors' response to Hassan et al.
authors.forename: Anno
authors.initials: A
authors.lastname: Graser
authors.forename: Frank T
authors.initials: FT
authors.lastname: Kolligs
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D023881:Colonography, Computed Tomographic; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening / Q000379:methods