title: Studies on single foci of hematopoietic cells transformed by avian myeloblastosis virus.
mesh_terms: D001355:Alpharetrovirus; D000818:Animals; D001354:Avian Leukosis Virus; D001358:Avian Sarcoma Viruses; D002460:Cell Line; D002642:Chick Embryo; D046508:Culture Techniques; D005455:Fluorescent Antibody Technique; D011200:Poultry; D014170:Transformation, Genetic; D014762:Viral Interference