title: Demonstration of pyroglobulin in the investigation of rheumatoid factor.
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D007841:Latex Fixation Tests / Q000379:methods*; D008297:Male; D008875:Middle Aged; D010266:Paraproteins / Q000032:analysis; D011750:Pyroglobulins / Q000032:analysis; D012217:Rheumatoid Factor / Q000032:analysis*
chemical_list: D010266:Paraproteins; D011750:Pyroglobulins; D012217:Rheumatoid Factor