title: Experimental visna in foetal Icelandic sheep.
mesh_terms: D000367:Age Factors; D000818:Animals; D001921:Brain / Q000473:pathology; D002490:Central Nervous System / Q000473:pathology*; D005260:Female; D005333:Fetus / Q000382:microbiology; D008297:Male; D011247:Pregnancy; D012756:Sheep; D012757:Sheep Diseases / Q000382:microbiology / Q000473:pathology*; D014777:Virus Diseases / Q000382:microbiology / Q000473:pathology*; D014790:Visna-maedi virus / Q000302:isolation & purification*