RT Journal Article SR Electronic T1 Harms of overoxygenation in patients with exacerbation of chronic obstructive pulmonary disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E872 OP E872 DO 10.1503/cmaj.170670 VO 189 IS 25 YR 2017 UL http://www.cmaj.ca/content/189/25/E872.abstract AB