[Studies on the epidemiology of influenza in industrial plants during an inter-epidemic period].
D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D009787:Occupational Medicine; D014586:USSR
Izuchenie épidemiologii grippa na promyshlennykh predpriiatiiakh v mezhépidemicheskiĭ period.