title: [Chromosome mechanism of Down's syndrome (Mongolism) and its prevention].
mesh_terms: D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics* / Q000517:prevention & control; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014314:Trisomy
vernacular_title: Le mecanisme chromosomique du syndrome de Down (mongolisme) et sa prevention