title: Antibiotics and pneumonia: is timing everything or just a cause of more problems?
authors.forename: Peter M
authors.initials: PM
authors.lastname: Houck
mesh_terms: D000368:Aged; D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008875:Middle Aged; D011014:Pneumonia / Q000188:drug therapy* / Q000453:epidemiology / Q000401:mortality; D013997:Time Factors; D014481:United States / Q000453:epidemiology
chemical_list: D000900:Anti-Bacterial Agents