PT - JOURNAL ARTICLE ED - , TI - Understanding spirometry results: Global Lung Function Initiative AID - 10.1183/20734735.960213 DP - 2013 Dec 01 TA - Breathe PG - 495--496 VI - 9 IP - 6 4099 - http://breathe.ersjournals.com/content/9/6/495.short 4100 - http://breathe.ersjournals.com/content/9/6/495.full SO - Breathe2013 Dec 01; 9