TY - JOUR T1 - Harms of overoxygenation in patients with exacerbation of chronic obstructive pulmonary disease JF - Canadian Medical Association Journal JO - CMAJ SP - E872 LP - E872 DO - 10.1503/cmaj.170670 VL - 189 IS - 25 A2 - , Y1 - 2017/06/26 UR - http://www.cmaj.ca/content/189/25/E872.abstract N2 - ER -