title: Precipitation inhibition counter immunoelectrophoresis (PICI) for the quantification of diphtheria antitoxin.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003378:Counterimmunoelectrophoresis / Q000379:methods*; D004166:Diphtheria Antitoxin / Q000032:analysis*; D000939:Epitopes; D006801:Humans; D007122:Immunoelectrophoresis / Q000379:methods*; D011817:Rabbits; D012882:Skin Tests
chemical_list: D004166:Diphtheria Antitoxin; D000939:Epitopes