title: Experimental maedi infection in sheep. 1. Detection of virus, clinical course, histopathology.
mesh_terms: D000818:Animals; D001921:Brain / Q000382:microbiology; D005260:Female; D008168:Lung / Q000382:microbiology / Q000473:pathology; D008214:Lymphocytes / Q000382:microbiology; D008297:Male; D008828:Microbiological Techniques; D011021:Pneumonia, Progressive Interstitial, of Sheep / Q000473:pathology*; D012137:Respiratory System / Q000382:microbiology; D012756:Sheep / Q000382:microbiology*; D013997:Time Factors; D014790:Visna-maedi virus / Q000302:isolation & purification