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. 2016 Jun 22;12:1507–1515. doi: 10.2147/NDT.S110978

Figure 1.

Figure 1

CONSORT 2010 flow diagram.

Abbreviations: SHP, sleep hygiene program; SHP-LOR, sleep hygiene program + lorazepam (1mg/d); LOR, lorazepam (1mg/d).