title: A perspective on Maedi-Visna in South Africa.
authors.forename: J H
authors.initials: JH
authors.lastname: Vorster
authors.forename: B
authors.initials: B
authors.lastname: Dungu
authors.forename: L C
authors.initials: LC
authors.lastname: Marais
authors.forename: D F
authors.initials: DF
authors.lastname: York
authors.forename: R
authors.initials: R
authors.lastname: Williams
authors.forename: C H
authors.initials: CH
authors.lastname: Boshoff
mesh_terms: D000818:Animals; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000473:pathology*; D012756:Sheep; D013019:South Africa; D014790:Visna-maedi virus