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1 A Study on the Sleep Itisorder of a Part of Manufacturing Plant Workers
Jeoung Kyun Rho, Ki Ha Yoo, Young Soo Lee, Young Chae Gho
Korean J Occup Environ Med.1994;6(2):377-383.   Published online 2019 February 1     DOI: http://dx.doi.org/10.35371/kjoem.1994.6.2.377
   
2 Factors Associated with Quality on Sleep of Subway Workers by Shift-Work
Min Gi Kim, Won Chul Lee, Young Min Lee, Jae Hong Ryoo, Hawn Cheol Kim, Seung Won Yoo, Kyung Han Nam
Korean J Occup Environ Med.2008;20(4):326-334.   Published online 2019 January 29     DOI: http://dx.doi.org/10.35371/kjoem.2008.20.4.326
   

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