title: Comparison of haemolysin preparations obtained by different methods.
mesh_terms: D000818:Animals; D002417:Cattle / Q000276:immunology; D003168:Complement Fixation Tests; D004912:Erythrocytes; D005513:Food Inspection; D006460:Hemolysin Proteins / Q000302:isolation & purification / Q000592:standards*; D011817:Rabbits / Q000276:immunology; D012756:Sheep / Q000276:immunology
chemical_list: D006460:Hemolysin Proteins