Retraction notices

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

Reasons