title: The infection-free interval: its use in evaluating antimicrobial treatment of acute exacerbation of chronic bronchitis.
authors.forename: A
authors.initials: A
authors.lastname: Anzueto
authors.forename: J A
authors.initials: JA
authors.lastname: Rizzo
authors.forename: R F
authors.initials: RF
authors.lastname: Grossman
mesh_terms: D000208:Acute Disease; D001424:Bacterial Infections / Q000188:drug therapy*; D001991:Bronchitis / Q000188:drug therapy*; D002444:Cefuroxime / Q000627:therapeutic use; D002939:Ciprofloxacin / Q000627:therapeutic use; D017291:Clarithromycin / Q000627:therapeutic use; D006801:Humans; D013997:Time Factors
chemical_list: D002939:Ciprofloxacin; D017291:Clarithromycin; D002444:Cefuroxime