title: Light and ultrastructural pathologic changes in intestinal coronavirus infection of newborn calves.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D003333:Coronaviridae Infections / Q000473:pathology / Q000662:veterinary*; D007410:Intestinal Diseases / Q000473:pathology / Q000662:veterinary*; D008854:Microscopy, Electron