QUANTITATIVE INDICATORS IN THE EPIZOOTOLOGY AND EPIDEMIOLOGY OF TICK-BORNE ENCEPHALITIS.
D000818:Animals; D004660:Encephalitis; D004671:Encephalitis, Arbovirus; D004675:Encephalitis, Tick-Borne; D004813:Epidemiology; D013223:Statistics as Topic; D014586:USSR
ENCEPHALITIS, EPIDEMIC; EPIDEMIOLOGY; STATISTICS; USSR