title: [Deletion of the long arm of the first chromosome pair in a 3-year-old boy, 46 XY DEL (1) (q43)].
mesh_terms: D000015:Abnormalities, Multiple / Q000175:diagnosis; D002675:Child, Preschool; D002872:Chromosome Deletion; D002900:Chromosomes, Human, 1-3; D006801:Humans; D007621:Karyotyping; D008297:Male
vernacular_title: Delecja długiego ramienia chromosomu pierwszej pary u 3-letniego chłopca, 46 XY DEL (1) (q43).