References and Resources
Aaron S, Vandemheen K, Fergusson D, et al. Tiotropium in Combination with Placebo, Salmeterol, or Fluticasone–Salmeterol for Treatment of Chronic Obstructive Pulmonary Disease. Ann Intern Med. 17 April 2007;Vol 146: Issue 8: Pages 545-555.
Click Here to view abstract.
Chronic Obstructive Pulmonary Disease (COPD) Fact Sheet
American Lung Association
Click Here to view fact sheet.
Click Here to view information.