Pneumonia risk with inhaled fluticasone furoate and vilanterol compared with vilanterol alone in patients with COPD

Courtney Crim, Mark T Dransfield, Jean Bourbeau, Paul W Jones, Nicola A Hanania, Donald A Mahler, Jørgen Vestbo, Andrew Wachtel, Fernando J Martinez, Frank Barnhart, Sally Lettis, Peter M A Calverley