[MASS IMMUNIZATION OF THE UKRAINIAN POPULATION WITH LIVE POLIOMYELITIS VACCINE AND ITS EFFECTIVENESS].
D006801:Humans; D032541:Mass Vaccination; D011051:Poliomyelitis; D014455:Ukraine; D014611:Vaccination
POLIOMYELITIS; UKRAINE; VACCINATION
MASSOVAIA IMMUNIZATSIIA NASELENIIA UKRAINY ZHIVO I VAKTSINO I PROTIV POLIOMIELITA I EE 'EPIDEMIOLOGICHESKAIA 'EFFEKTIVNOST'.