title: Evaluation of darkfield and immunofluorescent techniques for demonstrating Treponema pallidum in fluids with small numbers of organisms.
mesh_terms: D000818:Animals; D001826:Body Fluids / Q000032:analysis; D002498:Centrifugation; D005455:Fluorescent Antibody Technique; D008297:Male; D008722:Methods; D011817:Rabbits; D013587:Syphilis / Q000382:microbiology; D013737:Testis / Q000382:microbiology; D014210:Treponema pallidum / Q000302:isolation & purification*