• Can spirometric norms be set using pre- or post- bronchodilator test results in older people? 

      Kato, Bernet; Gulsvik, Amund; Vollmer, William; Janson, Christer; Studnika, Michael; Buist, Sonia; Burney, Peter (Peer reviewed; Journal article, 2012-11-16)
      Background: Chronic Obstructive Pulmonary Disease (COPD) is defined by post-bronchodilator spirometry. Data on “normal values” come predominantly from pre-bronchodilator spirometry. The effects of this on diagnosis are ...