• Documentation of the TLV for Substances in Workplace

• Korean Journal of Occupational Health   1978  Volume.17  No.4 119 ~ 120

• Electrical Model for Motor nerve Conduction Velocity

• Korean Journal of Occupational Health   1978  Volume.17  No.4 113 ~ 118

• Lung Perfusion Defect in Complicated Pneumoconiosis

• ÇѼøÀÚ/Hahn, Soon Ja

• À±ÀÓÁß/À̽ÂÇÑ/Yun, Im Goung/Lee, Seung Han

• Korean Journal of Occupational Health   1978  Volume.17  No.4 103 ~ 112

• Radiographic Progression of Pneumoconiosis

• Korean Journal of Occupational Health   1978  Volume.17  No.4 93 ~ 102