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. 2022 Aug 3;12(8):e058212. doi: 10.1136/bmjopen-2021-058212

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Stepped care model for insomnia that will be tested in the current trial. CBT-I, cognitive-behavioural treatment for insomnia; GPs, general practitioners.