title: The morphology of the causal agent of bovine petechial fever (Ondiri disease).
mesh_terms: D000818:Animals; D001772:Blood Cell Count; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D005334:Fever / Q000382:microbiology / Q000662:veterinary*; D006493:Heparin; D006652:Histological Techniques; D002479:Inclusion Bodies / Q000382:microbiology; D007958:Leukocyte Count; D008854:Microscopy, Electron; D009504:Neutrophils / Q000382:microbiology; D010587:Phagocytosis; D012281:Rickettsia / Q000302:isolation & purification*; D012282:Rickettsia Infections / Q000382:microbiology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology; D014652:Vascular Diseases / Q000382:microbiology / Q000662:veterinary*
chemical_list: D006493:Heparin