• The Role of Primary Care Physician in Occupational Medicine

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• Korean Journal of Occupational Health   1989  Volume.28  No.2 48 ~ 61

• Documentation of the TLV for Substances in Workplace

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• Korean Journal of Occupational Health   1989  Volume.28  No.2 45 ~ 47

• THE BIOLOGICAL ENVIRONMENT

• Korean Journal of Occupational Health   1989  Volume.28  No.2 37 ~ 44

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• Korean Journal of Occupational Health   1989  Volume.28  No.2 33 ~ 36