[Two-year clinical observations on children immunized against poliomyelitis with live attenuated vaccine].
D002648:Child; D006801:Humans; D007114:Immunization; D011051:Poliomyelitis / Q000517:prevention & control*; D014611:Vaccination; D014613:Vaccines, Attenuated
D014613:Vaccines, Attenuated
POLIOMYELITIS/prevention and control
Itogi dvukhletnikh klinicheskikh nabliudenli nad det'mi, immunizirovannymi zhivoi oslablennoi vaktsinoi protiv poliomielita.