[Analysis of respiratory virus infections in the GDR. 2. Quarter 1972 (13-25 report week)].
D005859:Germany, East; D006801:Humans; D008403:Mass Screening; D012141:Respiratory Tract Infections / Q000453:epidemiology*; D014777:Virus Diseases / Q000453:epidemiology*
Analyse respiratorischer Virusinfektionen in der DDR. 2. Quartal 1972 (13.-25. Berichtswoche.