title: Quantitative studies on the fixation ratio "complement: antibody" in complement-fixation tests with syphilitic serum.
mesh_terms: D000906:Antibodies; D000937:Antigen-Antibody Reactions; D003168:Complement Fixation Tests; D006801:Humans; D007136:Immunoglobulins; D013587:Syphilis / Q000276:immunology*
chemical_list: D000906:Antibodies; D007136:Immunoglobulins
keywords: ANTIGEN-ANTIBODY REACTIONS; SYPHILIS/immunology