Prevention of Exacerbations of Chronic Obstructive Pulmonary Disease with Tiotropium

  • Dennis E. Niewoehner
  • Annals of Internal Medicine, January 2006, American College of Physicians
  • DOI: 10.7326/0003-4819-144-2-200601170-00023

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The following have contributed to this page: Dr Dennis E Niewoehner