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-
Korean Journal of Occupational Health
2011
Volume.50
No.2
38 ~ 53
|
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Park Chung-Yill, Kim Hyoung-Ryoul
-
Korean Journal of Occupational Health
2011
Volume.50
No.2
25 ~ 37
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Kang Seong-Kyu, Koo Jung-Wan, Kim Hyoung-Ryoul, Park Chung-Yill
-
Korean Journal of Occupational Health
2011
Volume.50
No.2
19 ~ 24
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