[Non-pathogenic viruses for immunization against poliomyelitis].
D006801:Humans; D007114:Immunization; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination; D014612:Vaccines; D014780:Viruses
D014612:Vaccines
POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION
Virus non patogeni per l'immunizzazione contro la poliomielite.