RT Journal Article SR Electronic T1 Routine supplementary oxygen for the normoxic patient with suspected acute myocardial infarction is no longer warranted JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 13 OP 13 DO 10.1136/eb-2017-102752 VO 21 IS 1 A1 Tom Quinn YR 2018 UL http://ebn.bmj.com/content/21/1/13.abstract AB