[Cephalometric tracings in Down's syndrome and their ethnic variability].
D002508:Cephalometry; D004314:Down Syndrome / Q000208:ethnology* / Q000473:pathology; D006801:Humans; D044469:Racial Groups; D014481:United States / Q000208:ethnology
Il tracciato cefalometrico di Downs e le sue variabili etniche.