[Problem of cross infection in hospitals.  I].
D003428:Cross Infection; D006761:Hospitals; D006801:Humans; D008837:Micrococcus; D010614:Pharynx / Q000382:microbiology*; D013211:Staphylococcus aureus
MICROCOCCUS PYOGENES; PHARYNX/microbiology
Il problema delle infezioni crociate ospedaliere.  I.