title: The role of a so-called agglutination activating factor in the agglutination of hemolytic streptococci by rheumatoid arthritis sera.
authors.forename: O A
authors.initials: OA
authors.lastname: WAGER
mesh_terms: D000371:Agglutination; D001168:Arthritis; D001172:Arthritis, Rheumatoid; D006801:Humans; D013291:Streptococcus; D013297:Streptococcus pyogenes