[Poliomyelitis in Campania in 1956; incidence of the three types of poliomyelitis virus as causative agents of paralytic poliomyelitis].
D006801:Humans; D015994:Incidence; D011051:Poliomyelitis; D017955:Poliovirus
POLIOMYELITIS VIRUS
La poliomielite in Campania nel 1956; frequenza dei tre tipi di virus poliomielitico come agenti di malattia paralitica.