Virus-like particles in blood lymphocytes in acute Marek's disease.
D000818:Animals; D001353:Avian Leukosis / Q000473:pathology*; D001354:Avian Leukosis Virus; D002645:Chickens; D003593:Cytoplasm; D008214:Lymphocytes / Q000382:microbiology*; D008854:Microscopy, Electron