title: Bacterial colonization and clinical superinfection of the respiratory tract complicating antibiotic treatment of pneumonia.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001419:Bacteria / Q000254:growth & development*; D003428:Cross Infection / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000302:isolation & purification; D005260:Female; D006801:Humans; D007709:Klebsiella / Q000302:isolation & purification; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000188:drug therapy*; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D013203:Staphylococcal Infections / Q000453:epidemiology
chemical_list: D000900:Anti-Bacterial Agents