title: Down anomaly: new research aspects of an old and well known syndrome.
authors.forename: M
authors.initials: M
authors.lastname: Mikkelsen
mesh_terms: D000328:Adult; D002871:Chromosome Banding; D004314:Down Syndrome / Q000235:genetics* / Q000517:prevention & control; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008540:Meiosis; D009630:Nondisjunction, Genetic; D010331:Paternal Age; D018566:Pregnancy, High-Risk; D012744:Sex Ratio