Portillo, Aránzazu Detection of Rickettsia spp. in Haemaphysalis ticks collected in La Rioja, Spain. [electronic resource] - Vector borne and zoonotic diseases (Larchmont, N.Y.) Oct 2008 - 653-8 p. digital Publication Type: Journal Article ISSN: 1557-7759 Standard No.: 10.1089/vbz.2007.0272 doi Subjects--Topical Terms: AnimalsCattleCattle Diseases--parasitologyDNA, Bacterial--isolation & purificationRickettsia--isolation & purificationSheepSheep Diseases--parasitologySpainTick Infestations--epidemiologyTicks--microbiology