[The occurrence of congenital malformations in Italy. Present status of the problem].
D000015:Abnormalities, Multiple / Q000453:epidemiology; D009008:Abnormalities, Severe Teratoid / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology*; D004314:Down Syndrome / Q000453:epidemiology; D006801:Humans; D007558:Italy
Incidenza delle malformazioni congenite in Italia. Stato attuale del problema.