The effectiveness of diaphragmatic breathing relaxation training for improving sleep quality among nursing staff during the COVID-19 outbreak: a before and after study
- Type
- Retraction
- Notice date
- 12/5/2020 0:00
- Journal
- Sleep Medicine: X
- Publisher
- Elsevier
- Notice DOI
- 10.1016/j.sleepx.2020.100030
- Original paper DOI
- 10.1016/j.sleepx.2020.100026