title: Meta-analysis of increased inhaled steroid or addition of salmeterol in asthma. Greening et al's study should not have been included.
authors.forename: A D
authors.initials: AD
authors.lastname: Greig
mesh_terms: D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D016503:Drug Delivery Systems; D004345:Drug Industry; D006801:Humans; D015201:Meta-Analysis as Topic; D009330:Nebulizers and Vaporizers; D012107:Research Design
chemical_list: D018927:Anti-Asthmatic Agents