title: Consanguineous marriages among parents of patients with Down syndrome.
authors.forename: A I
authors.initials: AI
authors.lastname: Cereijo
authors.forename: M L
authors.initials: ML
authors.lastname: Martínez-Frías
mesh_terms: D000293:Adolescent; D000328:Adult; D002891:Chromosomes, Human, Pair 21; D003241:Consanguinity; D004314:Down Syndrome / Q000235:genetics*; D005190:Family; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008875:Middle Aged; D013030:Spain; D014314:Trisomy