[Monitoring of nosocomial infections in endangered areas using edge-punched cards].
D003428:Cross Infection / Q000382:microbiology*; D004197:Disease Reservoirs; D005859:Germany, East; D006801:Humans; D011159:Population Surveillance; D011676:Punched-Card Systems; D012042:Registries
Uberwachung nosokomialer Infektionen in Risikobereichen mit Hilfe von Randlochkarten.