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Tiotropium in Combination with Placebo, Salmeterol, or Fluticasone–Salmeterol for Treatment of Chronic Obstructive Pulmonary Disease: A Randomized Trial
Shawn D. Aaron, MD; Katherine L. Vandemheen, BScN; Dean Fergusson, PhD; François Maltais, MD; Jean Bourbeau, MD; Roger Goldstein, MD; Meyer Balter, MD; Denis O'Donnell, MD; Andrew McIvor, MD; Sat Sharma, MD; Graham Bishop, MD; John Anthony, MD; Robert Cowie, MD; Stephen Field, MD; Andrew Hirsch, MD; Paul Hernandez, MD; Robert Rivington, MD; Jeremy Road, MD; Victor Hoffstein, MD; Richard Hodder, MD; Darcy Marciniuk, MD; David McCormack, MD; George Fox, MD; Gerard Cox, MB; Henry B. Prins, MD; Gordon Ford, MD; Dominique Bleskie, BHScN; Steve Doucette, MSc; Irvin Mayers, MD; Kenneth Chapman, MD; Noe Zamel, MD; Mark FitzGerald, MD; Canadian Thoracic Society/Canadian Respiratory Clinical Research Consortium
Annals of Internal Medicine 2007;146:545-555. doi:10.7326/0003-4819-146-8-200704170-00152

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