title: Agglutination of haemolytic streptococci (group A) in serum from patients with rheumatoid arthritis.
mesh_terms: D000371:Agglutination; D001172:Arthritis, Rheumatoid; D006801:Humans; D012216:Rheumatic Diseases / Q000209:etiology*; D013290:Streptococcal Infections; D013291:Streptococcus
keywords: RHEUMATISM/etiology and pathogenesis; STREPTOCOCCI/hemolytic