title: The epidemiology of Clostridium welchii food poisoning.
mesh_terms: D003016:Clostridium perfringens / Q000472:pathogenicity*; D004739:England; D005517:Foodborne Diseases / Q000453:epidemiology* / Q000382:microbiology*; D006801:Humans; D007564:Japan; D014481:United States; D014852:Wales