title: Hemagglutination-inhibition test for the evaluation of the antigenicity of ascarid fractions.
mesh_terms: D000941:Antigens / Q000032:analysis; D001200:Ascaris / Q000032:analysis / Q000276:immunology*; D004912:Erythrocytes / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D007106:Immune Sera; D005779:Immunodiffusion; D008722:Methods; D011134:Polysaccharides / Q000032:analysis; D011506:Proteins / Q000032:analysis
chemical_list: D000941:Antigens; D007106:Immune Sera; D011134:Polysaccharides; D011506:Proteins