title: Persistence of T. pallidum and its significance in penicillin-treated seropositive late syphilis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D001014:Aortic Aneurysm / Q000382:microbiology; D001082:Aqueous Humor / Q000382:microbiology; D001921:Brain / Q000382:microbiology; D002648:Child; D003348:Cortisone / Q000627:therapeutic use; D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D008198:Lymph Nodes / Q000382:microbiology; D008297:Male; D008875:Middle Aged; D010291:Paresis / Q000382:microbiology; D010401:Penicillin G Benzathine / Q000627:therapeutic use; D010406:Penicillins / Q000627:therapeutic use*; D011817:Rabbits; D012834:Silver; D013194:Staining and Labeling; D013587:Syphilis / Q000188:drug therapy* / Q000382:microbiology; D014210:Treponema pallidum / Q000302:isolation & purification* / Q000472:pathogenicity; D014774:Virulence
chemical_list: D010406:Penicillins; D012834:Silver; D010401:Penicillin G Benzathine; D003348:Cortisone