title: Flexible sigmoidoscopy for colorectal cancer screening: more evidence, persistent ironies.
authors.affiliation: Department of Medicine, University of South Carolina School of Medicine, Columbia.
authors.forename: Allan S
authors.initials: AS
authors.lastname: Brett
mesh_terms: D015179:Colorectal Neoplasms / Q000453:epidemiology*; D055088:Early Detection of Cancer; D005260:Female; D006801:Humans; D008297:Male; D012812:Sigmoidoscopy