title: On the recurrence risk of 18 trisomy.
authors.forename: O
authors.initials: O
authors.lastname: Ristić
authors.forename: J P
authors.initials: JP
authors.lastname: Fryns
authors.forename: A
authors.initials: A
authors.lastname: Kleczowska
authors.forename: H
authors.initials: H
authors.lastname: Van Den Berghe
mesh_terms: D000328:Adult; D000649:Amniocentesis; D002869:Chromosome Aberrations / Q000453:epidemiology* / Q000235:genetics; D025063:Chromosome Disorders; D002882:Chromosomes, Human, Pair 13; D005260:Female; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012306:Risk; D014314:Trisomy