[Isolation of chick leukemia virus in live viral vaccines of egg origin].
D000818:Animals; D001354:Avian Leukosis Virus / Q000302:isolation & purification*; D006224:Cricetinae; D007252:Influenza Vaccines; D051379:Mice; D009108:Mumps Vaccine; D009109:Mumps virus; D009374:Neoplasms, Experimental / Q000209:etiology; D051381:Rats; D014765:Viral Vaccines
D007252:Influenza Vaccines; D009108:Mumps Vaccine; D014765:Viral Vaccines
Opyt vyiavleniia virusa kurinogo leĭkoza v zhivykh protivovirusnykh vaktsinakh iaichnogo proiskhozhdeniia.