[Characteristics of hospitals and the population included in the study on infections in newborn infants].
D003428:Cross Infection / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D011044:Poland
Charakterystyka środowiska szpitalnego i populacji objetej badaniami nad zakazeniami noworodków.