title: Screening: Screening flexible sigmoidoscopy effective in a UK RCT.
authors.forename: Douglas K
authors.initials: DK
authors.lastname: Rex
mesh_terms: D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000401:mortality*; D006801:Humans; D015994:Incidence; D008403:Mass Screening / Q000592:standards*; D016032:Randomized Controlled Trials as Topic; D012812:Sigmoidoscopy / Q000379:methods* / Q000592:standards*; D006113:United Kingdom / Q000453:epidemiology