title: Evidence based screening for Down's syndrome. We should be prepared to re-examine entrenched practices.
authors.forename: S
authors.initials: S
authors.lastname: Raeburn
mesh_terms: D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis*; D019317:Evidence-Based Medicine; D006801:Humans; D008403:Mass Screening / Q000592:standards; D006113:United Kingdom