title: [Unusual localization of hard chancres].
mesh_terms: D000328:Adult; D002601:Chancre / Q000175:diagnosis; D003951:Diagnostic Errors; D006801:Humans; D008047:Lip Diseases / Q000175:diagnosis; D008297:Male; D013587:Syphilis; D013997:Time Factors; D014060:Tongue Diseases / Q000175:diagnosis
vernacular_title: Redkaia lokalizatsiia tverdykh shankrov