Virus particles and viral antigens in chicken tissues free of infectious avian leukosis virus.
D000818:Animals; D000941:Antigens / Q000032:analysis; D002642:Chick Embryo; D002645:Chickens; D005260:Female; D008099:Liver / Q000382:microbiology*; D008854:Microscopy, Electron; D010179:Pancreas / Q000382:microbiology*; D014780:Viruses / Q000032:analysis*
D000941:Antigens