Crosbie, P R The distribution of Dermacentor hunteri and Anaplasma sp. in desert bighorn sheep (Ovis canadensis). [electronic resource] - The Journal of parasitology Feb 1997 - 31-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0022-3395 Subjects--Topical Terms: Anaplasma--immunologyAnaplasmosis--epidemiologyAnimalsAnimals, WildAntibodies, Bacterial--bloodArachnid VectorsDermacentorFemaleMaleMexico--epidemiologySheepSheep Diseases--epidemiologySouthwestern United States--epidemiologyTick Infestations--epidemiology