title: [Etiological changes in pneumonia].
mesh_terms: D001996:Bronchopneumonia / Q000209:etiology; D004926:Escherichia coli / Q000472:pathogenicity*; D006801:Humans; D011001:Pleuropneumonia / Q000209:etiology; D011014:Pneumonia / Q000209:etiology* / Q000382:microbiology; D011018:Pneumonia, Pneumococcal / Q000209:etiology; D013210:Staphylococcus / Q000472:pathogenicity*; D013296:Streptococcus pneumoniae / Q000472:pathogenicity*
vernacular_title: Erregerwandel bei Pneumonien.