Source of infection in nosocomial pneumonia.
Johnson
A G
AG
D001424:Bacterial Infections / Q000209:etiology*; D003428:Cross Infection / Q000209:etiology*; D004383:Duodenogastric Reflux / Q000150:complications*; D006801:Humans; D011014:Pneumonia / Q000209:etiology* / Q000382:microbiology