[Live oral poliomyelitis vaccine is 50 years old].
Lashkevich
V A
VA
D014943:Global Health; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000266:history* / Q000517:prevention & control / Q000821:virology; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects / Q000266:history* / Q000276:immunology; D014611:Vaccination / Q000266:history*
D011055:Poliovirus Vaccine, Oral