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| Methods | Design: randomised controlled trial |
| Participants | Sample: postoperative patients |
| Interventions |
Intervention: music programme Control: comparison group |
| Outcomes |
|
| Notes | This is an unpublished trial. On 9 September 2014, we requested further information from the author, but have yet to receive a response. When trying to contact the author in 2021, we did not manage to find valid contact information. |
