[The ubiquitousness of Samonella typhi murium?].
D000818:Animals; D001717:Birds; D002642:Chick Embryo; D007558:Italy; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D012486:Salmonella typhimurium / Q000472:pathogenicity*; D015047:Zoonoses / Q000209:etiology
Ubiquitarietà delle Salmonella typhi murium?