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On demand use of β2-agonists led to better asthma control than regular use in moderate to severe asthma

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Footnotes

  • Source of funding: no external funding.

  • For correspondence: Dr B Richter, Heinrich-Heine-Universität Düsseldorf, Klinik f Stoffwechselkrankheiten u Ernaehrung, Moorenstr 5, Postfach 101007, D-40001 Düsseldorf, Germany. richterb{at}uni-duesseldorf.de.

  • A modified version of this abstract appears in ACP Journal Club.

  • * Information provided by author.