title: IgM class antitreponemal antibody in treated and untreated syphilis.
mesh_terms: D000907:Antibodies, Bacterial / Q000032:analysis*; D005455:Fluorescent Antibody Technique; D006801:Humans; D007074:Immunoglobulin G; D007075:Immunoglobulin M / Q000032:analysis*; D013587:Syphilis / Q000276:immunology* / Q000628:therapy; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D007074:Immunoglobulin G; D007075:Immunoglobulin M