[Poliomyelitis: results of liver virus vaccination].
D007114:Immunization; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000627:therapeutic use*; D011634:Public Health
D011055:Poliovirus Vaccine, Oral
Poliomielitis: resultados de la vacunación con virus vivo.