title: Sheffield isolates are Haemophilus ducreyi.
mesh_terms: D002602:Chancroid / Q000382:microbiology; D003470:Culture Media; D004739:England; D005260:Female; D006191:Haemophilus ducreyi / Q000302:isolation & purification*; D006801:Humans; D008297:Male
chemical_list: D003470:Culture Media