title: [Down's syndrome: an unusual form of mosaicism (46,XX,21p-/46,XX,-21+i(21q))].
mesh_terms: D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D009030:Mosaicism
vernacular_title: Síndrome de Down: una forma inusitada de mosaicismo (46,XX,21p-/46,XX,-21+i(21q).