title: Persistence of treponemes after treatment.
mesh_terms: D005260:Female; D005455:Fluorescent Antibody Technique; D006801:Humans; D008297:Male; D008858:Microscopy, Phase-Contrast; D010403:Penicillin Resistance; D010406:Penicillins / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy* / Q000382:microbiology; D014208:Treponema / Q000302:isolation & purification*; D014210:Treponema pallidum / Q000302:isolation & purification
chemical_list: D010406:Penicillins