title: Chorionic villus sampling versus early amniocentesis.
authors.forename: B
authors.initials: B
authors.lastname: Eiben
authors.forename: W
authors.initials: W
authors.lastname: Hammans
authors.forename: R
authors.initials: R
authors.lastname: Goebel
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology; D000328:Adult; D000649:Amniocentesis / Q000009:adverse effects*; D015193:Chorionic Villi Sampling / Q000009:adverse effects*; D003025:Clubfoot / Q000453:epidemiology; D005240:Feasibility Studies; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D012307:Risk Factors