[Vaccination in Poland with a live attenuated vaccine against poliomyelitis].
D011044:Poland; D011051:Poliomyelitis / Q000276:immunology*; D014611:Vaccination; D014612:Vaccines; D014613:Vaccines, Attenuated
D014612:Vaccines; D014613:Vaccines, Attenuated
POLIOMYELITIS/immunology; VACCINES