title: Participation of nonspecific factors in destruction of type M 12  streptococci in vitro. IV. Detailed characteristics of nonspecific cofactor and its streptococcal receptor.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis; D000918:Antibody Specificity; D001770:Blood Bactericidal Activity; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D006801:Humans; D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M / Q000032:analysis; D013291:Streptococcus / Q000276:immunology*; D015054:Zymosan
chemical_list: D000907:Antibodies, Bacterial; D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M; D015054:Zymosan