title: Application of DEAE-sephadex A-50 for additional purification of antitoxic sera.
mesh_terms: D000707:Anaphylaxis / Q000517:prevention & control; D000992:Antitoxins / Q000032:analysis*; D002845:Chromatography; D003911:Dextrans; D007122:Immunoelectrophoresis; D008722:Methods
chemical_list: D000992:Antitoxins; D003911:Dextrans