title: A study of the complement fixing properties of equine antisera.
mesh_terms: D000818:Animals; D002021:Buffers; D003168:Complement Fixation Tests; D006168:Guinea Pigs; D006736:Horses; D006863:Hydrogen-Ion Concentration; D007106:Immune Sera / Q000032:analysis; D007074:Immunoglobulin G / Q000302:isolation & purification; D007075:Immunoglobulin M / Q000302:isolation & purification; D011135:Polysaccharides, Bacterial; D011817:Rabbits; D012756:Sheep; D013296:Streptococcus pneumoniae / Q000276:immunology; D013696:Temperature; D013997:Time Factors
chemical_list: D002021:Buffers; D007106:Immune Sera; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011135:Polysaccharides, Bacterial