title: Letter: Recovery of colony-forming ability of x-irradiated L cells by cell fusion.
mesh_terms: D001375:Azaguanine / Q000494:pharmacology; D002455:Cell Division; D002459:Cell Fusion; D002999:Clone Cells; D007739:L Cells / Q000187:drug effects / Q000528:radiation effects*; D009154:Mutation; D010222:Parainfluenza Virus 1, Human; D011830:Radiation Effects; D014965:X-Rays
chemical_list: D001375:Azaguanine