title: Intranasal transmission of feline leukemia.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001284:Atrophy; D001855:Bone Marrow Diseases / Q000209:etiology / Q000473:pathology; D002371:Cat Diseases / Q000209:etiology / Q000382:microbiology*; D002415:Cats; D005856:Germ-Free Life; D007938:Leukemia / Q000209:etiology / Q000662:veterinary*; D008198:Lymph Nodes / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000209:etiology / Q000473:pathology; D008854:Microscopy, Electron; D009666:Nose; D012190:Retroviridae / Q000472:pathogenicity*; D013950:Thymus Gland / Q000473:pathology