title: [Description of a case of ring chromosome 21 and pericentric inversion of Y chromosome].
mesh_terms: D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D007446:Chromosome Inversion; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D012303:Ring Chromosomes; D012729:Sex Chromosome Aberrations / Q000150:complications*; D014998:Y Chromosome
vernacular_title: Descrizione di un caso di cromosoma 21 ad anello ed inversione pericentrica del cromosoma Y.