title: Non-invasive first trimester antenatal diagnosis.
authors.affiliation: Department of Molecular Genetics, St. Mary's Hospital, Medical School, Imperial College, London.
authors.forename: N
authors.initials: N
authors.lastname: Morris
authors.forename: R
authors.initials: R
authors.lastname: Williamson
mesh_terms: D002469:Cell Separation; D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods / Q000592:standards*; D014327:Trophoblasts