title: Polymicrobial aetiology of genital ulcers.
mesh_terms: D000293:Adolescent; D000328:Adult; D001439:Bacteroides / Q000302:isolation & purification; D006801:Humans; D008297:Male; D008875:Middle Aged; D009344:Neisseria gonorrhoeae / Q000302:isolation & purification; D010409:Penile Diseases / Q000382:microbiology*; D018139:Simplexvirus / Q000302:isolation & purification; D014210:Treponema pallidum / Q000302:isolation & purification; D014456:Ulcer / Q000382:microbiology*