title: Interference phenomenon in the culture of chick embryo cells infected with Schmidt-Ruppin strain of Rous sarcoma virus.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D002845:Chromatography; D046508:Culture Techniques; D007106:Immune Sera; D007372:Interferons; D013395:Sucrose; D013696:Temperature; D013997:Time Factors; D014762:Viral Interference; D014776:Virus Cultivation
chemical_list: D007106:Immune Sera; D013395:Sucrose; D007372:Interferons