title: Preliminary report on a normal human serum protein reacting with acid hydrolysis extracts on streptococci.
mesh_terms: D000328:Adult; D006801:Humans; D006868:Hydrolysis; D007122:Immunoelectrophoresis; D011234:Precipitins / Q000032:analysis / Q000096:biosynthesis; D013291:Streptococcus / Q000145:classification*; D000511:alpha-Macroglobulins / Q000032:analysis*
chemical_list: D011234:Precipitins; D000511:alpha-Macroglobulins