title: [A case of pure, clear, "de novo" trisomy 9p].
mesh_terms: D000293:Adolescent; D002648:Child; D002906:Chromosomes, Human, 6-12 and X; D006801:Humans; D008297:Male; D014314:Trisomy
vernacular_title: Un caso di trisomia 9p pura, libera, "de novo".