title: Streptolysin S: improved purification and characterization.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D004355:Drug Stability; D007962:Leukocytes; D009843:Oligoribonucleotides / Q000032:analysis; D012756:Sheep; D013291:Streptococcus / Q000378:metabolism; D013301:Streptolysins / Q000096:biosynthesis / Q000302:isolation & purification
chemical_list: D000596:Amino Acids; D009843:Oligoribonucleotides; D013301:Streptolysins