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Cho E, Chen TY.Cho E, et al. Among authors: chen ty.Sleep Health. 2020 Jun;6(3):299-305. doi: 10.1016/j.sleh.2020.01.008. Epub 2020 Apr 9.Sleep Health. 2020.PMID: 32280018
Chen TY, Chan A, Andersen-Ranberg K, Herr M, Fors S, Jeune B, Herrmann FR, Robine JM, Gondo Y, Saito Y.Chen TY, et al.J Gerontol A Biol Sci Med Sci. 2020 Apr 17;75(5):974-979. doi: 10.1093/gerona/glz116.J Gerontol A Biol Sci Med Sci. 2020.PMID: 31054257
Ang S, Chen TY.Ang S, et al. Among authors: chen ty.J Gerontol B Psychol Sci Soc Sci. 2019 Aug 21;74(6):1020-1031. doi: 10.1093/geronb/gby109.J Gerontol B Psychol Sci Soc Sci. 2019.PMID: 30260444