[Polio vaccines and immunological effectiveness. 1. On problems related to polio vaccines].
D006801:Humans; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL