title: [Poliomyelitis in Poland in the years 1966-1967].
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D011044:Poland; D011051:Poliomyelitis / Q000453:epidemiology*; D017955:Poliovirus / Q000302:isolation & purification
vernacular_title: Poliomyelitis w Polsce w latach 1966 i 1967.