title: Toxin-antitoxin selection for isolating heterokaryons and cell hybrids.
mesh_terms: D000818:Animals; D002460:Cell Line; D002469:Cell Separation / Q000379:methods; D002470:Cell Survival; D046508:Culture Techniques / Q000379:methods; D006822:Hybrid Cells / Q000166:cytology*; D000922:Immunotoxins; D011092:Polyethylene Glycols; D012276:Ricin; D014118:Toxins, Biological
chemical_list: D000922:Immunotoxins; D014118:Toxins, Biological; D011092:Polyethylene Glycols; D012276:Ricin