Woldehiwet, Z Cultivation of an ovine strain of Ehrlichia phagocytophila in tick cell cultures. [electronic resource] - Journal of comparative pathology - 142-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0021-9975 Standard No.: 10.1053/jcpa.2002.0574 doi Subjects--Topical Terms: Anaplasma phagocytophilum--growth & developmentAnimalsArachnid Vectors--microbiologyCells, CulturedEhrlichiosis--microbiologyIxodes--microbiologySheepSheep Diseases--microbiologyTick Infestations--veterinary