title: A method for permanently recording microhemagglutination patterns.
mesh_terms: D000818:Animals; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests; D007106:Immune Sera; D008722:Methods; D010781:Photography; D011817:Rabbits / Q000276:immunology; D012756:Sheep / Q000276:immunology
chemical_list: D007106:Immune Sera