title: [Influenza - 1980].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D009980:Influenza A virus; D007251:Influenza, Human / Q000453:epidemiology* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011044:Poland
vernacular_title: Grypa - 1980 rok.