title: Studies on acute Marek's disease. I. Characteristics of isolate GA in chickens.
mesh_terms: D000818:Animals; D001353:Avian Leukosis / Q000382:microbiology*; D001354:Avian Leukosis Virus / Q000302:isolation & purification*; D002645:Chickens; D011201:Poultry Diseases / Q000382:microbiology*