[Changes in the pathogens causing pneumonia].
D001424:Bacterial Infections / Q000382:microbiology; D003937:Diagnosis, Differential; D006801:Humans; D008172:Lung Diseases, Fungal / Q000382:microbiology; D011014:Pneumonia / Q000382:microbiology*; D011024:Pneumonia, Viral / Q000382:microbiology
Erregerwandel der Pneumonien.