![The Canadian Optimal Therapy of COPD Trial: Design, Organization and Patient Recruitment]()
The Canadian Optimal Therapy of COPD Trial: Design, Organization and Patient RecruitmentAaron, Shawn D; Vandemheen, Katherine; Fergusson, Dean; FitzGerald, Mark; Maltais, Francois; Bourbeau, Jean; Goldstein, Roger; McIvor, Andrew; Balter, Meyer; O'Donnell, Denis · Canadian Respiratory Journal · 2004