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2 서호준, "수면 질환에서의 Actigraphy사용" 대한정신약물학회 21 (21): 183-194, 2010
3 Zeo inc, "Zeo personal sleep coach-user’s manual,8-9"
4 Zeo inc, "What is your ZQ?"
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6 Sohn, S. I., "The reliability and validity of the Korean version of the Pittsburgh Sleep Quality Index" 16 : 803-812, 2012
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