Combination inhaled steroid and long-acting beta-agonist in addition to tiotropium versus tiotropium alone for chronic obstructive pulmonary disease

  • Emma J Welsh, Christopher J Cates
  • June 2010, Wiley
  • DOI: 10.1002/14651858.cd008532

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http://dx.doi.org/10.1002/14651858.cd008532

The following have contributed to this page: Dr Christopher J Cates