title: Genital lesions of primary syphilis.
authors.forename: Robert A
authors.initials: RA
authors.lastname: Gunn
authors.forename: Thomas A
authors.initials: TA
authors.lastname: Peterman
authors.forename: Kimberly A
authors.initials: KA
authors.lastname: Workowski
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D005831:Genital Diseases, Female / Q000175:diagnosis* / Q000517:prevention & control; D005832:Genital Diseases, Male / Q000175:diagnosis* / Q000517:prevention & control; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000175:diagnosis* / Q000517:prevention & control; D013587:Syphilis / Q000175:diagnosis* / Q000517:prevention & control