title: Fine-structure studies of the avian infectious bursal agent. I. In vivo viral morphogenesis.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000473:pathology; D002645:Chickens; D007181:Inclusion Bodies, Viral; D008264:Macrophages; D008854:Microscopy, Electron; D009024:Morphogenesis; D011201:Poultry Diseases / Q000382:microbiology* / Q000473:pathology; D013997:Time Factors; D014777:Virus Diseases / Q000382:microbiology / Q000662:veterinary*; D014713:Viruses, Unclassified / Q000145:classification / Q000254:growth & development