title: Asthma exacerbations: Looking back to the future.
authors.affiliation: Departments of Pharmacy Practice and Medicine, University of Wisconsin-Madison, Madison, Wis. Electronic address: sorkness@wisc.edu.
authors.forename: Christine A
authors.initials: CA
authors.lastname: Sorkness
authors.affiliation: Guy's and St Thomas' NHS Trust, London, United Kingdom; National Heart & Lung Institute, Imperial College London, London, United Kingdom.
authors.forename: David J
authors.initials: DJ
authors.lastname: Jackson
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D001249:Asthma / Q000175:diagnosis* / Q000188:drug therapy*; D019819:Budesonide / Q000627:therapeutic use*; D004983:Ethanolamines / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D009569:Nitric Oxide / Q000378:metabolism*; D018570:Risk Assessment / Q000706:statistics & numerical data*
chemical_list: D000305:Adrenal Cortex Hormones; D018927:Anti-Asthmatic Agents; D004983:Ethanolamines; D009569:Nitric Oxide; D019819:Budesonide
keywords: Asthma; Composite Asthma Severity Index; exacerbations; risk factors; seasonal differences in risk