title: Bacteria and COPD exacerbations redux.
authors.forename: J V
authors.initials: JV
authors.lastname: Hirschmann
mesh_terms: D001980:Bronchi / Q000382:microbiology; D001991:Bronchitis / Q000382:microbiology; D006193:Haemophilus influenzae / Q000302:isolation & purification*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000382:microbiology* / Q000503:physiopathology; D012129:Respiratory Function Tests; D013183:Sputum / Q000166:cytology / Q000382:microbiology*; D013296:Streptococcus pneumoniae / Q000302:isolation & purification*