title: Images in clinical medicine. Annular secondary syphilis.
authors.affiliation: Peking Union Medical College Hospital, Beijing, China mdonglai@sohu.com.
authors.forename: Dong-Lai
authors.initials: DL
authors.lastname: Ma
authors.forename: Sergio
authors.initials: S
authors.lastname: Vano-Galvan
mesh_terms: D000328:Adult; D001706:Biopsy; D006801:Humans; D008297:Male; D013587:Syphilis / Q000473:pathology; D013588:Syphilis Serodiagnosis; D013591:Syphilis, Cutaneous / Q000473:pathology*; D014210:Treponema pallidum