title: Nodular presentation of secondary syphilis.
authors.forename: Kenneth Y
authors.initials: KY
authors.lastname: Tsai
authors.forename: Thomas
authors.initials: T
authors.lastname: Brenn
authors.forename: Andrew E
authors.initials: AE
authors.lastname: Werchniak
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010401:Penicillin G Benzathine / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy / Q000473:pathology*
chemical_list: D010401:Penicillin G Benzathine