title: The relationship between rheumatoid factors and serum agglutinators.
mesh_terms: D000888:Antibodies, Anti-Idiotypic; D001789:Blood Group Antigens; D002918:Chymotrypsin; D010450:Endopeptidases; D006386:Hemagglutination Tests; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D010196:Pancreatic Elastase; D010206:Papain; D010434:Pepsin A; D010447:Peptide Hydrolases; D012204:Rh-Hr Blood-Group System; D012217:Rheumatoid Factor; D014357:Trypsin
chemical_list: D000888:Antibodies, Anti-Idiotypic; D001789:Blood Group Antigens; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D012204:Rh-Hr Blood-Group System; D012217:Rheumatoid Factor; D010450:Endopeptidases; D010447:Peptide Hydrolases; D002918:Chymotrypsin; D010196:Pancreatic Elastase; D014357:Trypsin; D010206:Papain; D010434:Pepsin A