title: Cell-virus interactions in tissue cultures infected with visna and maedi viruses.
mesh_terms: D000818:Animals; D046508:Culture Techniques; D008854:Microscopy, Electron; D011648:Pulmonary Adenomatosis, Ovine; D012608:Scrapie; D012756:Sheep; D014776:Virus Cultivation; D014779:Virus Replication; D014713:Viruses, Unclassified