title: An improved antigen for the FTA-ABS test.
mesh_terms: D000042:Absorption; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000302:isolation & purification*; D005455:Fluorescent Antibody Technique; D013535:Suspensions; D013587:Syphilis / Q000276:immunology; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000276:immunology* / Q000302:isolation & purification
chemical_list: D000941:Antigens; D013535:Suspensions