[On the epidemiology of viral influctiosum variabile)--pandemic 1958. A survey].
D003625:Data Collection; D004890:Erythema / Q000453:epidemiology*; D005076:Exanthema / Q000453:epidemiology*; D006801:Humans; D058873:Pandemics
ERYTHEMA/epidemiology; EXANTHEMA/epidemiology