• Suk Seung-Han

• Occupathional Health   2008  Volume.237  No.0 67 ~ 71

• Kim Chun-Won

• Occupathional Health   2008  Volume.237  No.0 64 ~ 66

• Lee Yang-Soon

• Occupathional Health   2008  Volume.237  No.0 59 ~ 63

• Occupathional Health   2008  Volume.237  No.0 45 ~ 50

• Occupathional Health   2008  Volume.237  No.0 38 ~ 44

• Choi Soo-Chan

• Occupathional Health   2008  Volume.237  No.0 30 ~ 37

• Oxygen Difluoride

• Kim Chi-Nyon

• Occupathional Health   2008  Volume.237  No.0 26 ~ 29

• Kim Kyoo-Sang

• Occupathional Health   2008  Volume.237  No.0 20 ~ 25