title: Cross neutralization of maedi-visna virus strains.
mesh_terms: D000818:Animals; D003429:Cross Reactions; D003718:Denmark; D000939:Epitopes; D007055:Iceland; D009500:Neutralization Tests; D009664:Norway; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000382:microbiology*; D012756:Sheep; D014790:Visna-maedi virus / Q000276:immunology*
chemical_list: D000939:Epitopes