PT - JOURNAL ARTICLE AU - Magnus Ekström TI - Non-invasive positive pressure ventilation should be considered in patients with COPD and persistent hypercapnia at least 2 weeks after resolution of acute respiratory failure AID - 10.1136/eb-2017-102789 DP - 2017 Nov 25 TA - Evidence Based Nursing PG - ebnurs-2017-102789 4099 - http://ebn.bmj.com/content/early/2017/11/24/eb-2017-102789.short 4100 - http://ebn.bmj.com/content/early/2017/11/24/eb-2017-102789.full