[Tick-borne rickettsial infections, characteristics of their spread and prevention].
D001096:Arachnid Vectors; D006801:Humans; D012282:Rickettsia Infections / Q000517:prevention & control* / Q000635:transmission; D013987:Ticks; D014586:USSR
Kleshchevoĭ rikketsioz, osobennosti ego rasprostraneniia i profilaktika.