title: Benefits of combination therapy on exacerbations in nonsmoking patients with asthma.
authors.forename: Catherine
authors.initials: C
authors.lastname: Jackson
authors.forename: Brian
authors.initials: B
authors.lastname: Lipworth
mesh_terms: D000420:Albuterol / Q000008:administration & dosage / Q000031:analogs & derivatives*; D000730:Androstadienes / Q000008:administration & dosage*; D018927:Anti-Asthmatic Agents / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D004338:Drug Combinations; D000068298:Fluticasone; D000068297:Fluticasone-Salmeterol Drug Combination; D006801:Humans; D012907:Smoking
chemical_list: D000730:Androstadienes; D018927:Anti-Asthmatic Agents; D004338:Drug Combinations; D000068297:Fluticasone-Salmeterol Drug Combination; D000068298:Fluticasone; D000420:Albuterol