[Current views of viral hemorrhagic fever].
D001103:Arboviruses / Q000302:isolation & purification*; D006477:Arenaviruses, New World / Q000302:isolation & purification*; D002031:Bulgaria; D006482:Hemorrhagic Fevers, Viral / Q000453:epidemiology / Q000382:microbiology*; D006801:Humans
Vurkhu suvremennoto sustoianie na uchenieto za virusnite khemoragichni treski (VXT)]