PT - JOURNAL ARTICLE ED - , TI - Review: continuous positive airway pressure devices are effective and cost-effective for obstructive sleep apnoea AID - 10.1136/ebm.14.5.143 DP - 2009 Oct 01 TA - Evidence Based Medicine PG - 143--143 VI - 14 IP - 5 4099 - http://ebm.bmj.com/content/14/5/143.short 4100 - http://ebm.bmj.com/content/14/5/143.full SO - Evid Based Med2009 Oct 01; 14