RT Journal Article SR Electronic T1 Listening to music may relax mechanically ventilated patients, but there are limitations to the quality of the available evidence JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 66 OP 67 DO 10.1136/ebn1154 VO 14 IS 3 A1 Nilsson, Ulrica YR 2011 UL http://ebn.bmj.com/content/14/3/66.abstract AB