title: Vaginosonography and chorionic villus sampling (CVS)
authors.forename: G
authors.initials: G
authors.lastname: Ghirardini
authors.forename: L W
authors.initials: LW
authors.lastname: Popp
mesh_terms: D015193:Chorionic Villi Sampling / Q000379:methods*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal