• Productivity and Working Hours

• Korean Journal of Occupational Health   1968  Volume.7  No.3 11 ~ 13

• Medical Examinations and Diagnosis for the Health Management of Lead Workers

• Korean Journal of Occupational Health   1968  Volume.7  No.3 7 ~ 10

• Symtoms and Pathology of Lead Intoxication

• Korean Journal of Occupational Health   1968  Volume.7  No.3 5 ~ 6

• Exposure to Lead and Its Compounds

• Korean Journal of Occupational Health   1968  Volume.7  No.3 1 ~ 4