title: Images in clinical medicine. Syphilitic chancres of the lips.
authors: Peking Union Medical College Hospital, Beijing, China. mdonglai@sohu.com
authors: Dong-Lai
authors: DL
authors: Ma
authors: Sergio
authors: S
authors: Vano-Galvan
mesh_terms: D000328:Adult; D000372:Agglutination Tests; D000907:Antibodies, Bacterial / Q000097:blood; D002601:Chancre / Q000473:pathology*; D006801:Humans; D008046:Lip / Q000473:pathology*; D008297:Male; D014210:Treponema pallidum / Q000276:immunology / Q000302:isolation & purification
chemical_list: D000907:Antibodies, Bacterial