[Epidemiologic and virologic analysis of respiratory infections in GDR. 1st quarter 1970].
D003140:Communicable Disease Control; D004196:Disease Outbreaks; D004812:Epidemiologic Methods; D005859:Germany, East; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control; D009975:Orthomyxoviridae / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000517:prevention & control; D014777:Virus Diseases / Q000453:epidemiology*
Epidemiologische und virologische Analyse respiratorischer Infektionen in der DDR. 1 Quartal 1970.