title: Ceftazidime versus placebo in respiratory exacerbations of cystic fibrosis.
mesh_terms: D002442:Ceftazidime / Q000627:therapeutic use*; D003550:Cystic Fibrosis / Q000150:complications*; D006801:Humans; D012141:Respiratory Tract Infections / Q000188:drug therapy* / Q000209:etiology
chemical_list: D002442:Ceftazidime