title: Flexible sigmoidoscopy for colorectal neoplasia.
authors.forename: R
authors.initials: R
authors.lastname: Mueller
authors.forename: A
authors.initials: A
authors.lastname: Davis
mesh_terms: D015179:Colorectal Neoplasms / Q000175:diagnosis*; D003362:Cost-Benefit Analysis; D006801:Humans; D008875:Middle Aged; D012812:Sigmoidoscopy / Q000191:economics*