title: Slow virus infections of the respiratory tract of sheep.
mesh_terms: D000818:Animals; D008168:Lung / Q000473:pathology; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000175:diagnosis* / Q000276:immunology / Q000382:microbiology; D011648:Pulmonary Adenomatosis, Ovine / Q000175:diagnosis* / Q000382:microbiology / Q000473:pathology; D012756:Sheep