title: A MODIFIED GEL CHAMBER TECHNIQUE FOR IMMUNODIFFUSION ANALYSIS.
mesh_terms: D000941:Antigens; D004166:Diphtheria Antitoxin; D007106:Immune Sera; D005779:Immunodiffusion; D011233:Precipitin Tests; D013291:Streptococcus
chemical_list: D000941:Antigens; D004166:Diphtheria Antitoxin; D007106:Immune Sera
keywords: ANTIGENS; DIPHTHERIA ANTITOXIN; GEL DIFFUSION TESTS; IMMUNE SERUMS; PRECIPITIN TESTS; STREPTOCOCCUS