title: Transvaginal chorionic sampling during the first trimester of pregnancy.
authors.forename: J D
authors.initials: JD
authors.lastname: Schulman
authors.forename: S H
authors.initials: SH
authors.lastname: Black
authors.forename: D
authors.initials: D
authors.lastname: Soenksen
authors.forename: S L
authors.initials: SL
authors.lastname: Jones
authors.forename: A D
authors.initials: AD
authors.lastname: Dorfmann
mesh_terms: D015193:Chorionic Villi Sampling / Q000379:methods*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014621:Vagina