title: The epidemiology of rickettsioses on the Ethiopian high plateau. A six-months' survey from October 1964 to April 1965.
mesh_terms: D000818:Animals; D002417:Cattle; D004197:Disease Reservoirs; D004199:Disease Vectors; D006041:Goats; D006736:Horses; D006801:Humans; D066298:In Vitro Techniques; D012281:Rickettsia / Q000302:isolation & purification*; D012282:Rickettsia Infections / Q000175:diagnosis* / Q000453:epidemiology* / Q000662:veterinary*; D012698:Serologic Tests; D012756:Sheep