The use of multiple respiratory inhalers requiring different inhalation techniques has an adverse effect on COPD outcomes [Corrigendum]
Bosnic-Anticevich S, Chrystyn H, Costello RW, et al.Int J Chron Obstruct Pulmon Dis.2017;12:59–71. Upon reviewing the article, the authors noticed an DC Power Cable error in Figure 2 (page 65).The position of the markers for the incidence rate ratio for moderate/severe exacerbations and the odds ratio for average dai