title: A need for critical evaluation of automatic microtitration machines.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests / Q000295:instrumentation* / Q000592:standards; D007106:Immune Sera / Q000032:analysis; D007074:Immunoglobulin G; D007930:Leucine / Q000378:metabolism; D051379:Mice; D012756:Sheep / Q000276:immunology; D005719:gamma-Globulins / Q000032:analysis
chemical_list: D002250:Carbon Radioisotopes; D007106:Immune Sera; D007074:Immunoglobulin G; D005719:gamma-Globulins; D007930:Leucine