title: Iatrogenic transmission of Anaplasma marginale in beef cattle.
mesh_terms: D000712:Anaplasmosis / Q000635:transmission / Q000662:veterinary*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission*; D005260:Female; D014611:Vaccination / Q000009:adverse effects / Q000662:veterinary*