[Cross infection in Poland--1984].
D000328:Adult; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection / Q000453:epidemiology*; D006776:Hospitals, Pediatric; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007363:Intensive Care Units, Neonatal; D011044:Poland
Zakazenia szpitalne w Polsce--1984 rok.