title: Use of cell-free DNA to screen for Down's syndrome.
authors.affiliation: From the UCL Institute of Child Health and the Great Ormond Street Hospital for Children NHS Foundation Trust - both in London.
authors.forename: Lyn S
authors.initials: LS
authors.lastname: Chitty
mesh_terms: D004247:DNA / Q000032:analysis*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*
chemical_list: D004247:DNA