[Investigations on natural foci and causes of Marseilles fever in Bulgaria].
D001203:Ascomycota; D001907:Boutonneuse Fever; D002031:Bulgaria; D006801:Humans; D012373:Rocky Mountain Spotted Fever / Q000453:epidemiology*
ROCKY MOUNTAIN SPOTTED FEVER/epidemiology
Prouchvaniia vurkhu prirodnata ognishchnost i prichini telia na marsilskata treska u nas.