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 ebnurs-2017-102752 DO 10.1136/eb-2017-102752 A1 Tom Quinn YR 2017 UL http://ebn.bmj.com/content/early/2017/11/16/eb-2017-102752.abstract AB