title: Free fetal DNA in maternal circulation.
authors.forename: Y M Dennis
authors.initials: YM
authors.lastname: Lo
authors.forename: Rossa W K
authors.initials: RW
authors.lastname: Chiu
authors.forename: K C Allen
authors.initials: KC
authors.lastname: Chan
authors.forename: Grace T Y
authors.initials: GT
authors.lastname: Chung
mesh_terms: D001774:Blood Chemical Analysis; D001800:Blood Specimen Collection; D004247:DNA / Q000097:blood* / Q000302:isolation & purification; D005260:Female; D005333:Fetus; D006801:Humans; D011247:Pregnancy / Q000097:blood*; D011296:Prenatal Diagnosis
chemical_list: D004247:DNA