title: Hospital-acquired pneumonia: is culture negativity associated with better survival?
authors: Andre C
authors: AC
authors: Kalil
mesh_terms: D003428:Cross Infection / Q000209:etiology*; D005260:Female; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D017063:Outcome Assessment, Health Care; D018410:Pneumonia, Bacterial / Q000209:etiology*