title: Penile ulcers.
mesh_terms: D002602:Chancroid / Q000382:microbiology; D006191:Haemophilus ducreyi / Q000302:isolation & purification; D006801:Humans; D008297:Male; D010409:Penile Diseases / Q000382:microbiology*; D014456:Ulcer / Q000382:microbiology*