[Some questions of the theory of live vaccine and vaccination against poliomyelitis with Sabin vaccine].
D011051:Poliomyelitis / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination; D014612:Vaccines; D014613:Vaccines, Attenuated
D011055:Poliovirus Vaccine, Oral; D014612:Vaccines; D014613:Vaccines, Attenuated
POLIOMYELITIS/immunology; VACCINES