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1 Association between Workplace Risk Factor Exposure and Sleep Disturbance: Analysis of the 2nd Korean Working Conditions Survey
Yong-Seok Heo, Sei-Jin Chang, Shin-Goo Park, Jong-Han Leem, Sung-Hwan Jeon, Bum-Joon Lee, Kyung-Yong Rhee, Hwan-Cheol Kim
Ann Occup Environ Med.2013;25(1):41.  Published online 2013 December 27     DOI: http://dx.doi.org/10.1186/2052-4374-25-41
      

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