Azizi, Shahrzad Maedi in slaughtered sheep: a pathology and polymerase chain reaction study in southwestern Iran. [electronic resource] - Tropical animal health and production Jan 2012 - 113-8 p. digital Publication Type: Journal Article ISSN: 1573-7438 Standard No.: 10.1007/s11250-011-9896-z doi Subjects--Topical Terms: AnimalsDNA, Viral--geneticsIran--epidemiologyLung--pathologyPneumonia, Progressive Interstitial, of Sheep--diagnosisPolymerase Chain Reaction--methodsSheepSheep, DomesticTerminal Repeat SequencesVisna-maedi virus--genetics