title: Electron microscopic study on acute thymic involution induced by polyoma virus infection.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D002479:Inclusion Bodies; D008214:Lymphocytes / Q000166:cytology; D051379:Mice; D008854:Microscopy, Electron; D011120:Polyomavirus / Q000472:pathogenicity*; D013945:Thymoma / Q000209:etiology; D013950:Thymus Gland / Q000166:cytology* / Q000382:microbiology*; D014777:Virus Diseases / Q000473:pathology*