title: [46,XX21p-/46XX,i(21q) chromosomal pattern: a rare formula in Down's syndrome].
mesh_terms: D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D009030:Mosaicism
vernacular_title: Corredo 46,XX21p-/46XX,i(21q): una rara formula nella sindrome di Down.