Comparative effectiveness of three versions of a stepped care model for insomnia differing in the amount of therapist support in internet-delivered treatment: study protocol for a pragmatic cluster randomised controlled trial (GET Sleep).
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Spiegelhalder K, et al. Among authors: baumeister h.
BMJ Open. 2022 Aug 3;12(8):e058212. doi: 10.1136/bmjopen-2021-058212.
BMJ Open. 2022.
PMID: 35922096
Free PMC article.