[The distribution of poliomyelitis virus in Tuscany. II. Epidemiological considerations].
D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology*; D017955:Poliovirus
POLIOMYELITIS/epidemiology
Indagini sulla diffusione dei virus poliomielitici in Toscana. II. Considerazioni epidemiologiche.