[Changes in the spectrum of the pathogens of community-acquired pneumonia].
Zhao
Tiemei
T
Liu
Youning
Y
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