PT - JOURNAL ARTICLE AU - Hitchings, Andrew W AU - Baker, Emma H TI - Avoiding unnecessary arterial blood sampling in COPD exacerbations: a stab in the right direction AID - 10.1136/thoraxjnl-2015-208205 DP - 2016 Mar 01 TA - Thorax PG - 208--209 VI - 71 IP - 3 4099 - http://thorax.bmj.com/content/71/3/208.short 4100 - http://thorax.bmj.com/content/71/3/208.full SO - Thorax2016 Mar 01; 71