title: Trial appears to confirm safety of chorionic villus sampling procedure.
authors: M F
authors: MF
authors: Goldsmith
mesh_terms: D000328:Adult; D002824:Chorionic Villi / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors