RT Journal Article SR Electronic T1 Spirometric thresholds and biased interpretation of test results JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1146 OP 1146 DO 10.1136/thoraxjnl-2014-206089 VO 69 IS 12 A1 Quanjer, Philip H A1 Stanojevic, Sanja A1 Thompson, Bruce R YR 2014 UL http://thorax.bmj.com/content/69/12/1146.abstract AB