title: Approach to hospital-acquired pneumonias.
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis / Q000517:prevention & control; D002954:Citrobacter; D003428:Cross Infection / Q000175:diagnosis* / Q000517:prevention & control; D004927:Escherichia coli Infections / Q000175:diagnosis; D006801:Humans; D007710:Klebsiella Infections / Q000175:diagnosis; D007877:Legionnaires' Disease / Q000175:diagnosis; D011014:Pneumonia / Q000175:diagnosis* / Q000517:prevention & control; D011512:Proteus Infections / Q000175:diagnosis; D011552:Pseudomonas Infections / Q000175:diagnosis; D012705:Serratia