[Poliomyelitis].
Kostrzewski, J
[Poliomyelitis]. [electronic resource] - Przeglad epidemiologiczny 1980 - 101-3 p. digital
Publication Type: Journal Article
0033-2100
Child, Preschool
Female
Humans
Male
Poland
Poliomyelitis--epidemiology
[Poliomyelitis]. [electronic resource] - Przeglad epidemiologiczny 1980 - 101-3 p. digital
Publication Type: Journal Article
0033-2100
Child, Preschool
Female
Humans
Male
Poland
Poliomyelitis--epidemiology