[A study of the factors related to the hospital infection of impetigo in the nurseries of three hospitals in Dalian].
D002681:China; D003428:Cross Infection / Q000453:epidemiology*; D006801:Humans; D007169:Impetigo / Q000453:epidemiology / Q000635:transmission*; D007231:Infant, Newborn; D009725:Nurseries, Hospital