title: Friend leukemia and endogenous viruses. I. Production of friend and endogenous C-type particles by mouse cells cultured in vitro.
mesh_terms: D000371:Agglutination; D000818:Animals; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D003208:Concanavalin A; D005347:Fibroblasts; D005622:Friend murine leukemia virus / Q000254:growth & development* / Q000276:immunology / Q000648:ultrastructure; D051379:Mice; D008807:Mice, Inbred BALB C / Q000196:embryology; D008854:Microscopy, Electron; D012367:RNA, Viral / Q000032:analysis; D012190:Retroviridae / Q000254:growth & development* / Q000648:ultrastructure; D010948:Viral Plaque Assay; D014779:Virus Replication
chemical_list: D012367:RNA, Viral; D003208:Concanavalin A