title: [Epidemiology of muscoviscidosis in children in Poland].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011044:Poland
vernacular_title: Epidemiologia mukowiscydozy u dzieci w Polsce.