[On the use of infectious viruses for demonstrating infection of chick embryos with avian leukosis virus].
D000818:Animals; D001353:Avian Leukosis / Q000175:diagnosis*; D002642:Chick Embryo; D046508:Culture Techniques; D014776:Virus Cultivation
O primenenii infektsionnykh virusov dlia vyiavlenia zarazhennosti kurinykh émbrionov virusami leĭkoza ptits.