TY - JOUR T1 - Oxygen therapy JF - Clinical Medicine JO - Clin Med SP - 156 LP - 159 DO - 10.7861/clinmedicine.9-2-156 VL - 9 IS - 2 AU - Luke S Howard Y1 - 2009/04/01 UR - http://www.rcpjournals.org/content/9/2/156.abstract N2 - ER -