title: Black clouds and black boxes: comment on "Long-acting β2-agonist step-off in patients with controlled asthma".
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington Hospital Center, DC, USA.
authors.forename: Chee M
authors.initials: CM
authors.lastname: Chan
authors.forename: Andrew F
authors.initials: AF
authors.lastname: Shorr
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D058666:Adrenergic beta-2 Receptor Agonists / Q000627:therapeutic use*; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D006801:Humans
chemical_list: D000305:Adrenal Cortex Hormones; D058666:Adrenergic beta-2 Receptor Agonists; D018927:Anti-Asthmatic Agents