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Review: long acting β agonists increase severe asthma exacerbations and asthma related deaths in children and adults
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Footnotes
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For correspondence: Dr S R Salpeter, Santa Clara Valley Medical Center, San Jose, CA, USA. Salpeter{at}stanford.edu
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Source of funding: no external funding.
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Copyright 2007 by the ACP-ASIM and BMJ Publishing Group for Evidence-Based Medicine and by the ACP-ASIM for portions reproduced from ACP Journal Club