title: [Changes in the spectrum of the pathogens of community-acquired pneumonia].
authors.forename: Tiemei
authors.initials: T
authors.lastname: Zhao
authors.forename: Youning
authors.initials: Y
authors.lastname: Liu
mesh_terms: D000367:Age Factors; D001419:Bacteria / Q000145:classification / Q000302:isolation & purification; D017714:Community-Acquired Infections / Q000382:microbiology*; D006801:Humans; D011014:Pneumonia / Q000382:microbiology*; D012111:Residence Characteristics