title: Syphilitic chancre of the mouth.
authors.affiliation: Department of Dermatology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, People's Republic of China.
authors.forename: Jianjun
authors.initials: J
authors.lastname: Qiao
authors.forename: Hong
authors.initials: H
authors.lastname: Fang
mesh_terms: D002601:Chancre / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D006801:Humans; D008047:Lip Diseases / Q000382:microbiology* / Q000473:pathology*; D008297:Male; D055815:Young Adult