title: [Monosomy of chromosome 21].
mesh_terms: D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014178:Translocation, Genetic
vernacular_title: Monosomie des Chromosoms Nr. 21