[On the history of epizootic foci of brucellosis in the Orenburg region].
D000818:Animals; D002006:Brucellosis / Q000209:etiology / Q000266:history* / Q000662:veterinary; D006041:Goats; D049673:History, 20th Century; D012426:Russia; D012756:Sheep; D012757:Sheep Diseases / Q000266:history
K istorii formirovania énzooticheskikh ochagov brutselleza v Orenburgskoĭ oblasti.