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Kim M, Vu TH, Maas MB, Braun RI, Wolf MS, Roenneberg T, Daviglus ML, Reid KJ, Zee PC.Kim M, et al.Sleep. 2023 Mar 9;46(3):zsac130. doi: 10.1093/sleep/zsac130.Sleep. 2023.PMID: 35729737Free PMC article.
Dodson ER, Zee PC.Dodson ER, et al.Sleep Med Clin. 2010 Dec;5(4):701-715. doi: 10.1016/j.jsmc.2010.08.001.Sleep Med Clin. 2010.PMID: 21243069Free PMC article.
Zee PC, Vitiello MV.Zee PC, et al.Sleep Med Clin. 2009 Jun 1;4(2):213-218. doi: 10.1016/j.jsmc.2009.01.009.Sleep Med Clin. 2009.PMID: 20160950Free PMC article.