title: Origins of penile ulcerations.
mesh_terms: D000328:Adult; D002602:Chancroid / Q000382:microbiology; D003075:Coitus; D005260:Female; D006561:Herpes Simplex / Q000382:microbiology; D006801:Humans; D008297:Male; D010409:Penile Diseases / Q000209:etiology* / Q000382:microbiology; D010413:Penis / Q000293:injuries; D012883:Skin Ulcer / Q000209:etiology*; D013281:Stomatitis, Aphthous / Q000209:etiology; D014211:Treponemal Infections / Q000382:microbiology