title: The changing face of pneumonia.
mesh_terms: D000368:Aged; D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001428:Bacterial Vaccines; D020680:Bronchoscopes; D001999:Bronchoscopy / Q000379:methods*; D002675:Child, Preschool; D004352:Drug Resistance, Microbial; D006801:Humans; D007223:Infant; D007877:Legionnaires' Disease / Q000175:diagnosis / Q000188:drug therapy; D008875:Middle Aged; D010403:Penicillin Resistance; D011014:Pneumonia / Q000175:diagnosis; D011018:Pneumonia, Pneumococcal / Q000517:prevention & control; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000276:immunology*
chemical_list: D000900:Anti-Bacterial Agents; D001428:Bacterial Vaccines