fluorescent treponemal antibody absorbed (FTA-ABS) or microhemagglutination assay for antibody to T. pallidum (MHA-T]).
test na specifična fluorescentna protitelesa proti spiroheti Treponema pallidum fluorescent treponemal antibody absorbtion (FTA-ABS), ali mikrohemaglutinacijski test na protitelesa proti spiroheti T. pallidum (MHA-TP).