[FINDINGS ON POLIOMYELITIS INCIDENCE IN RELATION TO SALK VACCINATION].
D004813:Epidemiology; D015994:Incidence; D011051:Poliomyelitis; D023321:Poliovirus Vaccines; D014611:Vaccination
D023321:Poliovirus Vaccines
EPIDEMIOLOGY; POLIOMYELITIS; POLIOVIRUS VACCINE
RILIEVI SULL'ANDAMENTO DELLA POLIOMIELITE IN RAPPORTO CON LA VACCINAZIONE SALK.