title: [Early cytogenetic diagnosis by chorion biopsy. Preliminary communication].
mesh_terms: D000328:Adult; D001706:Biopsy; D002823:Chorion / Q000473:pathology*; D000013:Congenital Abnormalities / Q000175:diagnosis; D005260:Female; D006801:Humans; D007621:Karyotyping; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012732:Sex Determination Analysis
vernacular_title: Diagnóstico citogenético precoz mediante biopsia corial. Comunicación preliminar.